20+ years

John A. Powell is a native Oregonian who graduated from Junction City High School and went on to earn both a B.S. and M.S. at the University of Oregon. Following college, John began his career as a high school educator and coach. In 1975, John ran for and was elected to the Oregon State Senate at the age of twenty-five (still the youngest person ever to serve in the Oregon State Senate). John served two four-year terms in the Senate (1975-1982) before voluntarily leaving office. While serving as a citizen legislator, John founded the Powell & Greig Insurance Agency and worked as an insurance agent for several years. In 1984, John founded John Powell & Associates, Inc.

A founding member of Southern Strategy Group (Louisiana), Liz Mangham serves as its managing partner. She primarily represents clients before the legislative and executive branches of state government, focusing on issues related to commerce and industry, civil law, criminal justice, education, health care and transportation.

With keen political skills acquired from managing numerous elections, Liz applies winning campaign strategies to complex lobbying battles. She combines essential grassroots and coalition- based support with the media to deliver comprehensive, effective strategies.

A graduate of Brenau Women's College, Liz has been recognized as one of the top 100 "Louisiana Influencers" and a "National Rising Star" by Campaigns & Elections' Politics magazine and an "Up and Comer in Louisiana Politics" by the Times of Acadiana. Her consulting work has earned award-winning recognition for various political and public policy firms.

20+ years

Tim provided a long sought-after voice to retirees in the Retired Detroit Police & Fire Fighters Association. He and his team successfully fought unions, the City of Detroit, and the pension board's opposition to amend decades-old state law. The association spent 25 years trying to obtain representation on its pension board through litigation and city charter amendment to no avail. Tim and his team did it in a fraction of the time.

Prior to becoming president of MLC, Tim was appointed as Governor John Engler's Campaign Manager to manage his 1998 re-election campaign, after having worked in the Governor's office as Director of External Affairs and Deputy Director of Public Affairs. Former positions also included stints in the Michigan House and Senate, Oakland County government and Senior Director of Government Affairs of the Michigan Credit Union League.

A native of Louisiana, Brad Mittendorf is also a founding member of Southern Strategy Group (Louisiana). Leveraging expertise in energy and telecommunications policy, Brad represents clients before the Louisiana Public Service Commission (LPSC). In addition, he coordinates issues management and media relations services for SSG clients.

The former campaign manager of Republican Jimmy Field's successful bid for public service commissioner, Brad also served as Commissioner Field's executive assistant. During his 7-year tenure with the LPSC, Brad advised on energy, telecommunications and transportation policies. In addition to serving as the commissioner's representative at regulatory hearings and workshops, Brad was also principal liaison to other elected officials and agencies.

In addition to his work in the political and regulatory arenas, Brad founded In Focus, LL -- a private research company. As president, Brad directed focus group research to test issues for a variety of political candidates and organizations and for law firms seeking to evaluate trial and mediation strategies.

Brad is a Phi Beta Kappa and summa cum laude graduate of Louisiana State University and served as co-editor of the Oxford Book of the American South (1997).

DONALD G. ISAACSON received his bachelor's degree from Augustana College, and his law degree from Arizona State University, where he was a member of the editorial board of the Law Journal. Mr. Isaacson has been in private practice primarily in the area of governmental consulting and lobbying. Throughout his career, he has been active on the legislative committees of the State Bar Association and the Arizona and Phoenix Chambers of Commerce. He has served as the Chairman of the State Bar's Professional Liability Committee. He is on the Board of Directors of the Arizona Chamber of Commerce and Vice-Chairman of its Water, Energy & Natural Resources Committee. He also chairs the Phoenix Chamber's Health & Insurance Committee.

In nine of the past 10 years (2019, 2018, 2017, 2016, 2015, 2014, 2012, 2011 and 2010), Don Isaacson has been recognized as "Best Lobbyist" by the Arizona Capitol Times. He was awarded the "Toughest Lobbyist to Go Up Against" in 2019. He is also consistently ranked by his peers as a top lawyer in the field of government relations in The Best Lawyers in America, one of the most credible and definitive guides to legal expertise in the United States.

11-15 years

JD, Willamette University School of Law, Salem, OR (Oregon State Bar # 094769)
MBA, Atkinson Graduate School of Management, Willamette University, Salem, OR
BA, Political Science, Westmont College, Santa Barbara, CA

John C. Powell and wife Abby Powell live in Lake Oswego, OR with their three children

6-10 years

Before joining Adams and Reese, MaryBeth was the Public Policy Manager for Alzheimer's Association. She gained experience drafting, lobbying, and passing legislation on federal, state, and regulatory levels; recruiting, training, and mobilizing advocates; supporting alliances with similar organizations; and cultivating relationships with key legislative members. MaryBeth was recognized by the Louisiana State Legislature for her advocacy work with the Alzheimer's Association.

MaryBeth represented the Alzheimer's Association in a variety of forms including testimony at committee meetings, public hearings, and media appearances. This experience leads to MaryBeth working closely with clients on researching, planning, and executing government relations strategies at the local and state levels in Louisiana, developing relationships at multiple levels of government, including municipal agencies, city councils, state agencies, stakeholders, and improving clients' community relations messaging for key government relations initiatives.

MaryBeth is a former Governmental Affairs Associate for The Louisiana State Medical Society, where among her accomplishments she recruited more than 250 contributors to the Louisiana Medical Political Action Committee (LAMPAC).

MaryBeth earned her Bachelor of Arts in Communication and Information Sciences from The University of Alabama. There, she served as Student Government Director of Lobbying Affairs, leading a team of 40 student lobbyists, advocating for higher education funding, and conducting voter registration drives. Through her work, she received recognition for "Most Outstanding Member of the External Affairs Chamber." MaryBeth was a member of the Kappa Kappa Gamma Sorority.

While in college, MaryBeth interned as a research assistant with The Department of Defense's Tuscaloosa office, assisting a professor contracted with Lockheed Martin and gathering data for a cross-national media monitoring project.

In the community, MaryBeth is a board member of the BREC Foundation. The mission of the BREC Foundation is to raise funds for parks and recreation to benefit the health, welfare, and culture in East Baton Rouge Parish.