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Home » About » The Team » Board of Directors

Board of Directors

These talented executives and leaders use their deep expertise to oversee and guide the long-term vision of Bethesda Cornerstone Village, all while ensuring we stay true to our mission and maximize our impact for people with disabilities and the disability field as a whole.

Mike Thirtle

As President and Chief Executive Officer of Bethesda, Mike Thirtle works alongside Bethesda’s leadership team and the passionate people of the organization to fulfill Bethesda’s mission. Prior to his current role, Thirtle was the Executive Vice President and Vice President for Strategy and Information Services for Bethesda.

Before joining Bethesda, he worked for the RAND Corporation in various roles for 12 years, including Director of the RAND office at Air Combat Command at Langley Air Force Base, Virginia. Before his years with RAND, Thirtle was Director of Consulting for the National Data Corporation in Chicago and a Senior Consultant with PricewaterhouseCoopers in Los Angeles.

Thirtle is a proud veteran and retired member of the U.S. Air Force, where he served as an active duty and reserve officer for more than two decades. He graduated with military distinction—in the top one percent of his class— with a bachelor’s degree in biology and a minor in Spanish from the United States Air Force Academy in Colorado Springs, Colorado.

In addition, Thirtle holds several advanced degrees, including doctoral and a master’s degrees in policy analysis, both from the RAND Graduate School in Santa Monica, California. Thirtle also has master’s degrees in finance and economics, both from Wright State University in Dayton, Ohio.

He has attended Executive Leadership Programs at both the Stanford Business School and the Harvard Business School.

Thirtle has published numerous reports and articles on business reform, process improvement, education and development of people, technology and leadership. Thirtle has also served on the faculty of Northwestern University in Evanston, Illinois, as an adjunct professor teaching classes in analytical methods and leadership.

Tom Campbell

As Vice President of Real Estate, Tom Campbell leads Bethesda Cornerstone Village, overseeing all aspects of developing, constructing, and managing new housing developments throughout the U.S. Prior to taking on this role in 2019, Campbell served as a consultant to Bethesda for several years, assisting with complex real estate solutions.

Campbell was the principal executive at Campbell Corp., where for more than 27 years he developed, constructed managed and owned affordable senior and family housing throughout Wisconsin. His areas of expertise include project sourcing, feasibility, financing, planning, construction, marketing, leasing and property operations.  He successfully completed real estate projects valued in the hundreds of millions of dollars in the residential, commercial, hospitality and industrial real estate markets. He has further managed the development of real estate projects throughout Wisconsin, the U.S. and beyond.

He earned a Bachelor of Science degree from the University of Wisconsin-Milwaukee and has been a Licensed Real Estate Broker since 1989.

Campbell is a member of the Board of Directors for God Touch Milwaukee providing advisement on housing for men who are criminal justice involved with addictions. He has also assisted Hales Corners Lutheran Church, as a volunteer, in real estate matters including the disposition of a church and school campus and school expansion.

Jeff Kaczmarski

Jeff Kaczmarski holds the positions of Bethesda’s Executive Vice President and Chief Legal Officer. In his roles, Kaczmarski supports strategic planning, business development, organizational change management and enterprise project execution. Kaczmarski provides and manages all legal services for Bethesda, is involved in Bethesda’s public policy and advocacy efforts and leads Bethesda’s internal management compliance team.

Before coming to Bethesda in 1993, Kaczmarski worked as a business litigation attorney for several law firms in Madison and Milwaukee, Wisconsin, where he represented organizations in a variety of complex business, employment and appellate matters.

Kaczmarski has a bachelor’s degree in political science and a law degree from the University of Wisconsin—Madison in Madison, Wisconsin.

In his spare time, he enjoys a variety of outdoor activities from road biking to muskie fishing.

Dave Griebl

As Chief Strategy Officer, Dave Griebl guides Bethesda’s strategic planning process and new innovation efforts to improve and expand services for people with intellectual and developmental disabilities. Griebl previously served Bethesda as Chief Financial Officer.

Griebl earned his undergraduate degree from the University of Wisconsin, Madison and his MBA from Marquette University, Milwaukee. Prior to coming to Bethesda, Griebl was a senior consultant at Patina Solutions and CFO at QPS Employment Group, both located in Brookfield.

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All information contained herein is preliminary and is subject to change without notice.
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