• Strong work ethic

    Granger employees don’t just work hard in order to get a return. They work hard because they believe in hard work as an ethic and value. Our employees know and appreciate that hard work produces character in them, excellence in their product, and satisfaction for those who benefit from their work.

  • intuitive and curious

    Granger employees are lifelong learners with a passion for creativity and imagination. Always observant, they invest time in listening and building trust with others, while continuing to seek knowledge and new paths to success. By challenging conventional approaches and embracing new ideas, Granger employees ensure they are continually on the cutting edge of delivering unique value to our customers.

  • discerning listener

    Granger employees aim to be active and attentive listeners, ensuring that projects are completed beyond our customers’ expectations through focused and collaborative effort. Realizing the importance of effective communication, our employees value the contributions of others and proactively seek out alternate viewpoints and perspectives in order to maximize understanding.

  • enjoys life and work

    Granger employees recognize that happiness and positivity are intentional. They approach life with a sense of optimism and seek a work-life balance that benefits their overall well-being. Our employees know that gratitude is an essential ingredient for happiness and take time to foster a sense of recognition and pride in others whenever possible.

  • humble

    Granger employees are team players who are invested in collaborative success — for our teams and our partners. They learn from their mistakes and are quick to credit others. Selfless and patient, Granger employees lead by example and define success collectively rather than individually.

The Granger Team

Our team is strong. Granger team members are leaders, collaborators and listeners willing to do whatever it takes to ensure that projects are completed to the total satisfaction of all stakeholders. Our staff has experience addressing complicated challenges on a wide variety of projects, forging lasting relationships and leading to repeat customers.

Alton Granger

Granger Construction is overseen by Chairman Alton Granger, who has been with the company since its start in 1959. Al has a degree in Civil Engineering from Michigan State University and is a Registered Professional Engineer. Al spends much of his time with his wife, Jan, at their cottage on Gun Lake, where they met over 70 years ago, and at their Florida condo. Al firmly believes in abiding by the Golden Rule in both life and business, treating people as he wants to be treated.

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Alton Granger / Chairman

Glenn Granger

Glenn officially joined Granger Construction in 1990 as a third-generation family member and is now the CEO. He graduated from Alma College with a Bachelor of Science in Physics, has a Master’s of Engineering from the University of Utah, and has a Master’s in Business Administration from Harvard Business School. Glenn also has Dale Carnegie Sales Training and is LEED Accredited. Aside from running his business, Glenn is an avid volunteer and leader for the community. He also enjoys the adrenaline rush of going downhill skiing and wakeboarding, as well as spending time with his family.

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Glenn Granger / CEO

Dennis Carignan

Dennis Carignan joined the Granger team in 1998 and is currently President. He has a Bachelor of Science in Construction Management from Michigan State University, a Master’s in Business administration from the University of Michigan and is accredited as an AGC Associate Constructor. Building and remodeling are passions of his, things he does frequently at home and at his cottage. In his free time, Dennis enjoys being active in the outdoors with his wife and two children.

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Dennis Carignan / President

Ian Clutten

Ian joined Granger in 2006 and currently services as Vice President of Pre-Construction Services, leading the estimating, VDC and MEP divisions. He has earned the role of trusted advisor to many Granger clients by consistently delivering accurate estimates and budget solutions that extract maximum value. Ian’s ability to take a macro view of our business has made him a successful leader of new initiatives, most recently as the champion for Granger’s Innovation Team. He received a Bachelor of Science degree in Civil Engineering from Michigan State University and holds certifications for Professional Engineer, CM LEAN and LEED AP.

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Ian Clutten / Vice President of Pre-Construction Services

Chris Duprey

Chris joined Granger in 2013 and now serves as Vice President and Chief Financial Officer. Chris provides overall financial oversight for the business, as well as managing banking, surety, and risk management relationships. Prior to arriving at Granger, Chris was a Tax Manager within the construction industry practice at UHY Advisors, a public accounting firm in metro Detroit. Chris has registered status as a Certified Public Accountant (CPA) in the state of Michigan and has earned his designation as a Certified Construction Industry Financial Professional (CCIFP). Chris has a Bachelor’s in Business Administration from the University of Michigan, and a Master’s in Professional Accountancy from Walsh College.

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Chris Duprey / Vice President / Chief Financial Officer

Beth Pellerito

Beth joined Granger in 2018 and currently serves as Vice President of Communication and Marketing, leading internal and external communications, media and public relations, crisis and issue management, brand management, business development support and event coordination. Additionally, she works closely with Granger’s Human Resources team and helps championing Granger’s diversity, equity and inclusion efforts. Beth received a Bachelor of Arts degree from Central Michigan University. She currently serves as a Board member for the Capital Region ACE Mentor Program.

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Beth Pellerito / Vice President of Communication and Marketing

Ben Schneider

Ben Schneider has been a part of the Granger team since 1996, and currently is a Vice President and the Industrial Market Segment Leader. He has a Bachelor of Science in Construction Management from Eastern Michigan University and is a member of the Building Enclosure Council of Detroit, as well as the Washtenaw Contractors Association. When he’s not at work, Ben stays busy with his large family of six sons and three daughters.

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Ben Schneider / Vice President

Glenn Simon

Glenn Simon joined Granger in 1995 and is a Vice President of the company, as well as a Project Executive. He graduated from Michigan State University with a Bachelor of Science in Building Construction Management, and has completed the Dale Carnegie Leadership Course, the Dow Leadership Program and the Eli Broad College of Business Building Winning Teams Executive Development Program. Glenn has served in advisory roles, such as President of the Board of the Lansing Builders Exchange and a Member of the Michigan State University School of Planning, Construction, and Design Industry Advisory Board. He currently serves on the Roman Catholic Diocese of Lansing Building Commission. Outside work, Glenn enjoys spending time with his wife, their five grown children and their families. He also volunteers at their church as a Commentator/Lector and he and his wife are marriage preparation program facilitators.

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Glenn Simon / Vice President

Rob Train

Rob Train joined Granger in 2001 and currently serves as Vice President of Operations. Rob has a Bachelor of Science in Construction Management from Michigan State University and has completed the Dale Carnegie Leadership Program. He holds a great number of accreditations and has his General Contractors License in various areas across the United States, as well as his State of Michigan Builders License. Rob is a LEED Green Associate as well as a member of the American Society of Professional Estimators. Rob and his wife live in Sheridan, Michigan and have three children.

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Rob Train / Vice President of Operations

Tim VanAntwerp

Tim VanAntwerp joined Granger in 2000 and currently serves as Vice President of Business Development. Tim also focuses on Lean operations, risk management and higher education project support. He has a Bachelor of Science degree in Civil Engineering from Michigan State University, and a Juris Doctor from Wayne State University. Tim is a Michigan licensed engineer and Michigan licensed attorney. Tim enjoys backpacking, cycling and fly fishing as well as working together with his wife on their highest priority project – being great parents for their two children.

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Tim VanAntwerp / Vice President of Business Development

Jon Upton

Jon Upton joined the Granger team in 1993 and is the Healthcare Market Segment Leader. He has a Bachelor of Science degree in Civil Engineering from Michigan Technological University and has completed the Dale Carnegie Leadership Course. Jon is also certified by the American Society for Healthcare Engineering. In his free time, Jon enjoys outdoor activities of all kinds—particularly hunting, fishing and boating.

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Jon Upton / Project Executive


As a family-owned company, Granger considers it a privilege to serve our communities. We aim to positively advance and affect the communities where we live and work with every project we undertake and by being an active participant and supporter of community events and initiatives.

Special Olympics Michigan Infrastructure Response

May 17, 2024 | When an equipment trailer for the Special Olympics Michigan Eaton and Ingham County Area 8 bocce ball courts went missing, Lansing-area law enforcement, community members, and team members from Granger Construction and Myers Plumbing and Heating, …

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Celebrating AGC and MIOSHA Michigan Alliance

January 4, 2024 | As a proud member of AGC Michigan, Granger Construction is excited to congratulate the MIOSHA Michigan Alliance Program on celebrating its 20th anniversary this year! Benefits of MIOSHA Alliance “The alliances/partnerships with MIOSHA and the AGC …

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