The SevenGen Leadership Team

Forward-looking leadership of dedicated, focused, and experienced executives who exemplify SevenGen’s core values.

SevenGen Leadership

Our forward-looking leadership team is made up of dedicated, focused, and experienced executives who embody SevenGen’s core values: Appreciation of Community and Environment, Exceptional Service, and Pursuit of Excellence.  Collectively, we embrace the principle that our customers are partners and our employees feel the highest degree of trust and connection. Knowledge and experience come together to make a difference for all our stakeholders – clients, sub-contractors, employees, and the communities we serve.

SevenGen’s five-member leadership team acquired the legacy firm (formerly Industrial Solutions Group & Concentra EHS) in 2013 and founded SevenGen. Our senior professionals remain heavily involved with state and federal organizations and governing bodies, allowing us to develop clients’ programs based on leading-edge best practices that reflect the latest realities in industry.

We’ve been privileged to play a role in helping thousands of employers maintain a healthy, safe, and environmentally sound operations through more than 20 years of change. As the sciences and awareness of occupational health, safety, and environmental sustainability has grown, we’ve been able to adapt and grow along with it.

Even more important, we’ve helped shape and define what health and safety means in everyday workplace.  Our services, ideas, and charitable giving now reach the lives of thousands of people every day.  We credit our strength and endurance to our proven process of managing our business, and to the character of our people.
We are Team 7G!


The 7G Team

The SevenGen team thrives based on a collective commitment to our core values and company vision, and is the foundation of our continued excellence. We are the trusted HSE advisor for leading businesses throughout the United States, and we work with the highest standards of professional and business ethics.

SevenGen employs a specialized team of industrial hygienists (CIH’s), environmental professionals (CHMMs), safety professionals (CSPs), risk management experts, and other HSE specialists.  Our team remains accessible and eager to assist our clients.


Jason Morrison, CHMM

Jason Morrison is a founding member of SevenGen and one of the most capable and knowledgeable technical resources in our industry.  Jason leads SevenGen’s Environmental Strategy and Initiatives, leveraging the latest science and technology trends to ensure SevenGen’s environmental solutions align with industry and market needs. Jason has more than 20 years of applied experience navigating complex environmental risks and sustainability efforts in thousands of industrial and commercial clients across the United States. Jason has proven leadership as a Strategic Account Manager and technical resource for some of SevenGen’s most longstanding client partners.

When he’s not busy strategizing new ways to protect the environment, Jason enjoys traveling with his family, hiking, kayaking, and cooking. Jason is also a self-proclaimed “space nerd” and die-hard Pittsburg Steelers fan.


  • Certified Hazardous Materials Manager
  • Licensed Asbestos Inspector
  • ISO 14001 Lead Auditor
  • 40-Hour HAZWOPER Trained

Connect with Jason on LinkedIn here!

Jason D. Morrison

Environmental Strategy


Andy Pyle

As a founding member of SevenGen, Andy Pyle oversees the operational functions of the business.  Andy’s primary responsibilities include strategic, organizational, and administrative leadership to the day-to-day operations of SevenGen.  He plays a valuable role in maintaining structure, developing policy and operational processes that help ensure the company's overall goals, objectives, and mission are carried out through daily operations and customer interactions. His unique perspective and high expectations set the way for SevenGen’s continued success.

Andy brings more than 20 years of risk management experience in the automotive, healthcare, metal plating, food, distribution, and industrial construction industries, and is a trusted resource for many of our strategic accounts. Andy works closely with SevenGen’s technical directors to develop long-term operational strategies that create efficiencies and bring value to our team members and client partners.

Outside the office, Andy enjoys sharing time with his wife and two sons. He enjoys all things outdoors: traveling, fine arts, and watching his two sons compete in their athletic pursuits.

Connect with Andy on LinkedIn here!

Andy Pyle



Kevin Roegner | SevenGenKevin Roegner, CIH, MPH

As a founding member of SevenGen, Kevin Roegner is responsible for the management of SevenGen throughout the United States.  Kevin is a strategic thought leader, providing guidance across the business to inspire our teams to deliver on our clients’ HSE goals and ensure the highest degree of service is provided.

Kevin began consulting in 2001 at former companies ISG, Inc. and Concentra EHS, where he was the Assistant Vice President of the EHS Consulting Division. Before he began his career in consulting, Kevin worked for the National Institute for Occupational Safety and Health (NIOSH) – a division of the Centers for Disease Control and Prevention. During his time with NIOSH, he undertook several health hazard evaluations (HHEs), which covered emerging occupational health issues in the industry. Prior to his time at NIOSH, he supported EH&S programs in the petrochemical industry.

You can find Kevin’s publications for NIOSH on the CDC’s National Institute for Occupational Safety and Health (NIOSH) website. Follow the link and search for “Roegner” to view an HHE Report.

View Kevin’s LinkedIn page here.

Kevin C. Roegner



Melissa Rupert, CIH, MS

Founding member, Melissa Rupert leads SevenGen’s talent optimization and recruitment efforts.  She leverages an impressive network and works to help bring the industry’s best talent to our team.  Melissa understands the professional goals and interests of our team, fostering successful career pathways for each individual, providing ongoing learning, and growth opportunities to promote the values of our business.

Melissa has a passion for mentorship and coaching, having successfully founded the American Industrial Hygiene Association (AIHA) National Mentorship Program that pairs aspiring professionals with mentors in the Industrial Hygiene community.

With more than 20 years of technical HSE experience coupled with her passion for people, Melissa elevates SevenGen by helping to provide the best experience for our employees and our customers.

In her spare time, Melissa enjoys spending time with her husband and two littles. She enjoys travel, home improvement projects, and dabbles in photography. Recently, she’s taken an interest in gardening and has nurtured a mostly successful garden the last several years. As well, Melissa seeks out opportunities to volunteer with local and national nonprofits, including Pink Ribbon Girls, the Leukemia and Lymphoma Society and the American Industrial Hygiene Association.

Connect with Melissa on LinkedIn here!

Melissa M. Rupert

Talent Development


TJ Unger

As a founding member of SevenGen, TJ Unger champions the company’s business development initiatives, leveraging his experience and skills to lead SevenGen’s national sales, strategic account management, marketing, and branding strategy to drive growth and impact. TJ works with business and industry leaders across the US, developing innovative and sustainable solutions for a wide range of environmental challenges. He also helps shape SevenGen's positive brand reputation and culture, applying a people-first approach and fostering a collaborative and supportive-team. With a deep technical competency and a value-based approach to leadership, TJ has a strong influence and vision for SevenGen’s growth.

I’m proud to manage SevenGen’s positive brand reputation and work with a team of high-performing difference makers as we continue to expand our mission of meaningful impact in the communities we serve. 

While TJ's professional pursuits remain at the forefront, he finds inspiration in his personal passions together with his wife, Liz Unger.  Together, they find adventure traveling to new places to explore the outdoors and experience music, history, and the arts.  TJ’s lifelong interests in the natural world, art, and business fuel his pursuit of new ideas and goals and inspire creativity.

Connect with TJ on LinkedIn here!

Thomas J. Unger

Business Development


Meghan Widestrom, CSP

As Director of Safety, Meghan is responsible for leading SevenGen’s Safety Program. Meghan has over ten years of experience managing and maintaining environmental, health and safety programs in a variety of manufacturing environments. Meghan specializes in creating proactive safety cultures that value employee involvement and strive for continuous improvement in safety performance.

Through SevenGen’s Safety Program, Meghan aims to create a unique client experience that combines regulatory compliance with improved safety culture and employee engagement. Meghan leads a team of highly qualified safety professionals and uses her technical expertise to ensure safety excellence throughout our community.

“I feel blessed to work incredibly driven individuals on the daily basis. Having a team that pushes you to become the best version of yourself is very rewarding.”

Outside of work, Meghan enjoys traveling the world with her husband, however, she also enjoys lazy nights at home with her dog. Meghan is an avid cyclist and runner and enjoys competing in the sport of triathlon. She also enjoys spending time outdoors, live music and camping.

Connect with Meghan on LinkedIn here!


Meghan Widestrom

Director of Safety


Taylor Schenk, HSE Consultant brings to SevenGen 8 years of healthcare experience, with multiple years dedicated to the management of multiple hospital Safety programs with a focus of accident investigation, hazardous waste compliance, and safety training. Taylor attended Purdue University and earned a master’s degree in organizational leadership. Curious by nature, Taylor pursues excellence through continued development, both professionally and personally with a commitment to service excellence.

As HSE Consultant, Taylor works with our clients to assess their risk and identify the best solutions to support and address their highest priority, greatest impact needs. Today, Taylor supports many of SevenGen’s longest standing client partners and is a friendly resource and partner to his colleagues.

“To be with an organization as dedicated to the continual growth and development of our communities (internally and externally), I’m not sure I could find a better place to devote my time and energy. SevenGen is a rewarding team to be a part of!”

Outside of work, Taylor enjoys spending my time with family and friends exploring the many happenings of our city. He enjoys taking weekend trips to explore new locations with his significant other. In moments of downtime, Taylor spends time unwinding at the gym.

Connect with Taylor on LinkedIn here!


Taylor Schenk

HSE Consultant


Tolu Solomon, MPH

Tolu is a Master of Public Health professional with exceptional qualifications and a deep commitment to workers' health. Tolu serves as a HSE Consultant on SevenGen’s Industrial Hygiene team, leveraging his expertise to create a favorable influence in the industry.  Tolu leads industrial hygiene risk assessments, complex exposure monitoring surveys and works to devise meaningful mitigation strategies for some of SevenGen’s top client partners. Tolu’s positive attitude and meaningful contributions to the industrial hygiene team play a significant role in SevenGen’s success.

“I find my job as a HSE Consultant fulfilling as it allows me to make a tangible difference in the lives of working individuals across the country.”

Outside of work, Tolu enjoys reading, exploring the city, and learning about our special world.

Connect with Tolu on LinkedIn here!

Tolu Solomon

HSE Consultant


Ben Williams, PhD, MSPH

Ben Williams is an HSE Consultant on SevenGen’s Industrial Hygiene team, where he provides IH services and support for customers in various industries. Prior to SevenGen, Ben earned his PhD in Chemistry at Byrn Mawr College as well as an MSPH in Environmental and Occupational Hygiene from Johns Hopkins University. Synthesizing his varied background in industrial and chemical hygiene, safety, and chemical research, Ben enthusiastically applies his technical skills towards serving client needs and promoting worker wellbeing, all while providing helpful and friendly customer service to SevenGen’s clients and team members.

“I thoroughly enjoy the opportunities SevenGen offers me to support others in their efforts to protect their employees.

Outside of work, Ben enjoys being outdoors (especially if it’s on a golf course), cooking new recipes, reading, and spending time with friends and family.

Connect with Ben on LinkedIn here!

Ben Williams

HSE Consultant


Amanda Calloway, MS

Amanda Calloway is SevenGen’s Territory Sales Executive, operating from our Ft. Wayne market.  Amanda is responsible for promoting SevenGen’s expert services within core markets (IN, OH, MI & IL), leveraging our networks in support of our clients. And, like all of us at 7G, she contributes to our strong culture of positivity and goodwill within the communities we serve!

Amanda has a well-rounded education and professional experience. She earned an undergraduate degree from Indiana University and a master’s degree from Purdue University Fort Wayne. She previously worked in Business Development for a regional leader in occupational healthcare. Amanda’s experience in providing employer solutions and her understanding of occupational health programs affords her a unique and comprehensive perspective on the drivers of SevenGen’s preventative HSE services, like industrial hygiene and occupational safety. Amanda’s experience also allows her to support SevenGen’s proven process of delivering excellence.

In her downtime, Amanda enjoys spending time with her fiancé, Kyle, and their dog, Cooper. She enjoys fitness, crafting, and spending time outdoors at their lake house, the beach, and hiking.

Connect with Amanda on LinkedIn here!

Amanda Calloway

Territory Account Executive


Clay Dimmit, CSP

Meet Clay Dimmitt, HSE Consultant with SevenGen’s Safety Team. Clay served for six years as Combat Medic with the United States Army, including one deployment to Operation Iraqi Freedom (OIF). During his service with the US Army, he met his wife, who also deployed to OIF. His experience in the US Army led to a career as Safety Coordinator within a regional hospital network.

As a Safety Coordinator, Clay focused on the health, safety, and well-being of his co-workers, contractors, and communities. As HSE Consultant, Clay leverages his diverse experience to deliver high-level technical safety support to SevenGen’s clients with a compassionate and trusting approach. Clay has continually been devoted to personal and professional development, achieving multiple professional certifications and a Master of Business Administration. With SevenGen, he continues his professional development and collaboration with our team of industry leading safety professionals.

“I know my work is meaningful and rewarding. I take great pride leading cultures devoted to keeping people safe and healthy, allowing families to reunite every day after work. I enjoy contributing to 7G’s proven history of protecting people and the environment, and supporting the communities we serve.”

For fun, Clay and his family can be found enjoying the great outdoors – whether on a trip to the mountains, canoeing in the boundary waters of Minnesota, camping locally, or being at the lake! Clay also enjoys working with his hands, as he’s often engaged in home improvement projects, enhancing his yard and flower beds, and random wood working projects.

View Clay's LinkedIn page here

Clay Dimmitt

HSE Project Manager


Jared Campos, MS

Hi I’m Jared, an HSE Consultant with SevenGen.  I evaluate work environments for risk to help mitigate unforeseen accidents, and I work with customers to maintain a committed partnership.

I spent 14+ years in the Navy on Active Duty as a US Navy Seabee.  During my career, I made 7 deployments and worked with several host nation countries, charged with building schools, medical clinics, berthing facilities, and storage warehouses.  My jobs ranged from Welder, Lead Estimator, Project Supervisor, and Safety Supervisor. I am currently pursing my Master’s degree in Organizational Leadership at the University of Saint Francis, to compliment my Bachelor’s degree in Organizational Management from the University of La Verne.

At SevenGen, I am able to leverage my unique skills, experience, and interests to deliver site specific solutions to ensure the safety and wellbeing for our customer’s employees.

During my free time, you can find me on my bike - on or off road, I’m usually pedaling somewhere.  If I’m not on my bike, I’ll be spending time with my family and kids.  I’m and avid outdoorsman and a travel enthusiast; I have visited 3 continents, 4 Oceans, 14 countries and 46 of our 50 states so far

Jared Campos

HSE Consultant


Bill Combs | SevenGenBill Combs

Like many of the SevenGen team members, Bill attended the University of Saint Francis where he earned a bachelors degree in Environmental Science with a minor in chemistry.  While attending USF he interned at ITT Aerospace/Communications Division in Fort Wayne in the EHS Department.  He Was hired by ITT after graduation and continued in the EHS department where he oversaw operations at their TAC facility.

In 2000 he transitioned from ITT to providing environmental consulting services to SevenGen, then Industrial Solutions Group. Bill worked with several clients for SevenGen as a contractor involving industrial hygiene, environmental consulting and safety related projects.

As Sr. HSE Consultant at SevenGen, he is adding his experience working in defense contracting, automotive parts manufacturing, orthopedics industry, and many others. He has provided, and continues to provide, staff augmentation solutions to SevenGen clients through on-site consulting service, and conducted a multitude of industrial hygiene, safety and environmental field studies within a wide variety of industries complimenting SevenGen’s mission.

View Bill's LinkedIn page here

Bill Combs

Sr. HSE Project Manager


Zach Pasquinelli, CIH

As Director of Industrial Hygiene, Zach is responsible for leading SevenGen’s Industrial Hygiene Program.  Zach started with the organization as an industrial hygienist, performing exposure studies and risk evaluations for a wide variety of industrial, medical, and commercial industries.  During his time with SevenGen, Zach pursued and successfully achieved Board Certified Industrial Hygienist and has remained a major contributor to the success of the business and positive influence for our company culture.

Zach is a thoughtful coach, a participatory leader with deep technical competency and a commitment to providing an excellent service experience.  He leads the top industrial hygiene team in the country; he manages some of SevenGen’s most trusted strategic relationships; and he plays an important role providing expert guidance within the communities we serve.

“This job has given me the opportunity to travel the country and learn from a network of leaders.  I have seen the United States from coast-to-coast and have built meaningful relationships with some incredible people along the way.”

Outside of work, Zach enjoys spending time with his family, traveling, cooking, camping, and playing sports.  Also, as a legacy Purdue Boilermaker, he loves getting back to campus multiple times every year for sporting events, lectures, meet-ups with old friends, and dining.

Connect with Zach on LinkedIn here!

Zach Pasquinelli

Director of Industrial Hygiene


Ashley Robinson

Hi I’m Ashely Robinson, HSE Consultant for SevenGen.   I am a recent graduate from the University of Saint Francis with a B.S in Environmental Science and a B.S in Forensic Chemistry.  Over the past few summers, I have enjoyed solely outdoor jobs including ecological and conservation programs.  I began working with SevenGen as an intern, supporting the team through field work and client-facing projects including federal and state environmental reporting.  I am excited to continue developing as a professional service provider in a company where I can apply my interests, knowledge, and experience to help our clients.  I am very thankful for the chance to work alongside such fantastic people here at SevenGen!

When I am not working, I like to spend my time outdoors.  My standout trips this year include a 10-day camping trip along the Smoky Mountains and exploring the beautiful trails throughout Oregon.  Typically, I am found much closer to home, enjoying the local trails at Ft. Wayne’s Eagle Marsh and Fox Island. I also enjoy relaxing reading a nice book, fixing a difficult puzzle, or binging a show on Netflix.

View Ashley's LinkedIn page here

Ashley Robinson

HSE Consultant


Austin Shannon

Hello, I am Austin Shannon, HSE consultant with SevenGen. I attended the University of Kentucky, earning my bachelor’s degree in Public Health. I began my professional career as Safety Supervisor, learning a foundation of risk identification, communication, and mitigation. Since joining SevenGen, I have expanded my knowledge and skillsets into the areas of industrial hygiene and environmental compliance. SevenGen has been excellent in fostering my professional development. The most rewarding part of my job is working with a team of likeminded professionals, helping to create the safest working environments possible for our clients and their employees.

Outside of work, I spend my time with family and friends, which usually involves a sporting event. My family is from Houston, so I also spend plenty of time in the Lone Star State showing my Houston Texans fandom. Did I mention, I am a huge sports fan?

View Austin's LinkedIn page here

Austin Shannon

HSE Consultant


Emily Smith, CIH

Emily Smith, CIH – As an Industrial Hygienist, I work with clients in various industries to help identify, monitor, and reduce workplace hazards. I take pride in delivering my clients with accurate results in a timely manner along with useful recommendations to help guide them in the right direction to help reduce any potential airborne hazards.

My role offers me the important opportunity to work with the greatest employees and companies in the US. I am dedicated to ensuring employees are working in a healthy environment so that they can return to their families safely.

In my free time, I enjoy spending time with my family, friends, and dogs. I also love to travel and experience new places and different ways of life. With each new travel adventure, I learn more about the world and I try to grow and better myself personally and professionally.

View Emily's LinkedIn page here.

Emily Smith

Sr. HSE Project Manager


As Director of Environmental Services, Kate Yentes leads SevenGen’s Environmental Services Division.  Kate has a diverse background with experience in the marine sciences from her work at the National Oceanic and Atmospheric Administration (NOAA), coupled with experience working in the industrial sector as an Environmental Compliance and Sustainability Manager.  During her time with SevenGen, Kate pursued and successfully achieved Class B Certified Wastewater Operator, bringing added value to SevenGen’s client partners as they look to improve their operational impacts and environmental sustainability initiatives.

Kate is a passionate leader with a deep technical competency and a commitment to providing an excellent experience to her team and her clients. She leads SevenGen’s team of environmental experts with similar interests and values, working collaboratively to promote a more healthy and sustainable future for the communities we serve.

“I care deeply about the environment; I am committed to making positive choices in my personal and professional life that better the environment for generations to come. I enjoy working with diverse industries, while providing expert guidance about water, waste, and air regulations, and environmental sustainability efforts.”

Outside of work, Kate enjoys spending time with her daughter, exploring state and national parks, swimming, and doing crafts.  Kate’s true passion is SCUBA diving Caribbean destinations. She also volunteers her time as a Big Sister through the Big Brothers Big Sisters’ community-based program.

Connect with Kate onLinkedIn here!


Kate Yentes

Director of Environmental Services


Kaitelyn Vachon

As a member of the Environmental Department, I act as a “jack of all trades”. You can find me working in the field collecting samples that range from asbestos to stormwater to wastewater. In ENVS, we also dedicate much of our time developing permit applications and writing state and federal plans such as Stormwater Pollution Prevention Plan and Spill Prevention, Control, and Countermeasure Plan. We take great pride in giving our clients the tools that they need to succeed.

I earned my undergraduate degree from the University of Saint Francis in 2018 and went on to work for a hazardous waste hauler and environmental laboratory. Since then, I have received licensing as an Indiana State Lead Inspector/ Risk Assessor and Asbestos Inspector.

When I’m not working with clients, you can find me hiking through state and national parks. During my time at the USF, the professors helped foster my love for protected lands and ornithology. If you ever see me on the trails, make sure to say hi.

View Kaitelyn's LinkedIn page here

Kaitelyn Vachon

HSE Project Manager


Nell Wickstrom, CIH

As Health, Safety, & Environmental (HSE) Project Manager on SevenGen’s Industrial Hygiene team, I am responsible for supporting complex exposure identification and mitigation projects. I also have experience supporting our clients with industrial ergonomics and occupational safety needs. I take pride in the ever-expanding opportunities at SevenGen, enabling me to grow professionally while taking on projects that align with my goals and interests.

SevenGen offers engagement opportunities within an expansive network of health and safety professionals. I enjoy partnering with like-mind professionals and employers to improve the health and safety within the workplace and our communities. It’s rewarding work!

Apart from my work at SevenGen, I enjoy spending time outdoors, be it running, hiking, frisbee golf, and more. I have a passion for traveling and look forward to new adventures every year. I also cherish time with my family as I endeavor to be the best aunt I can be to my eight amazing nephews.

View Nell's LinkedIn page here.

Nell Wickstrom

HSE Project Manager

Everyone at SevenGen strives to leverage their niche expertise and experience across our occupational health, safety,
and environmental services and empower our clients by exchanging valuable knowledge.

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