20+ years

Todd has been with the firm since 1989. From 1987-1989, Todd served as a judicial law clerk for the North Dakota Supreme Court. From 1985-1987, he served as a student researcher at the University of North Dakota Central Legal Research and from 1984-1985, Todd was a law clerk with Bohlman Law Office in Grand Forks, North Dakota.

Todd graduated with distinction from the University of North Dakota School of Law in 1987. Prior to attending law school, he received a Bachelor of Science from North Dakota State University. Todd graduated from Fargo North High School in 1979.

KATE HAAS is a lawyer and lobbyist specializing in challenging legislative and regulatory issues. She is also a community-relations expert with deep experience organizing coalitions and campaigns for both businesses and political operations. As a former chief of staff and top policy aide to an Idaho congressman, she has nearly a decade of experience on Capitol Hill in both the Senate and House, and has worked directly on some of our nation's most complicated issues. Kate is a graduate of the University of Idaho College of Law, where she was named to the Dean's list, served an externship for a U.S. District Court Judge and graduated with top honors. She is on the board of directors of the Treasure Valley YMCA and is an avid trail runner. She and her husband, Bret, have a young son.

11-15 years

David Adelman joined Cornerstone Government Affairs in 2010, bringing over 10 years of substantial experience in grassroots advocacy, developing and implementing strategic legislative campaigns, drafting and analyzing legislative language and reports and establishing, administering and advising political action committees.

Before joining Cornerstone, David worked for a law firm in West Des Moines where his practice focused on government relations, legislative law, PAC compliance and strategic advising, and election law. David continues to secure millions of dollars for clients through appropriation language, enables clients to secure major policy changes in a variety of issue areas and helps defeat language that would have been detrimental to clients' interests.

Prior to his role at the law firm, David worked with the Department of Justice, in the Iowa Attorney's General Office and clerked in the State Senate.

David worked in Washington, D.C. at the Democratic National Committee where he helped to design the voter protection program in 2004 and returned to Des Moines where he assisted in the establishment of the legal protection network for the Iowa Democratic Party. David served two terms on the Iowa Democratic State Central Committee; the Board of Directors for the Democratic Party.

Raised in Des Moines, David earned a B.S. in Marketing and Business Legal Studies from Miami University, and a certificate in International Business studying in London, England. He received his law degree with a Legislative Practice Certificate from Drake University Law School.

David and his wife, Liz, reside in Des Moines where they are active in the community and have three sons, Michael, Benjamin and Sam.

Nathan Poss has over 20 years of experience in both the public and private sector. His focus is to provide clients with a comprehensive range of services, including: legislative drafting and tracking, policy development, governmental lobbying (at all levels), strategy development, and business procurement.



Prior to forming JohnsonPossKirby Government Relations in 2007, Nathan served as a principal at Smith Johnson & Carr, focusing on lobbying efforts for the firm's business clients and taking the lead on procurement strategies.



Before entering into the lobbying world, Nathan served seven years on Capitol Hill as a legislative assistant to then Speaker Pro Tempore of the Senate, State Senator Bob Rochelle. During his tenure with the state, he played an important part in writing and developing legislation, organizing political strategies, building coalitions, and monitoring legislation for committees. Poss has also been actively involved in numerous successful political campaigns.



Poss has built a reputation of hard work and respect among those on Capitol Hill. Working with major players in the state's business community, he has served as a key strategist on major environmental and tax issues. Nathan has garnered a reputation for producing tangible results through well-executed and intricate lobbying efforts designed to achieve long lasting success for his clients.

In addition to his lobbying successes, Nathan has extensive experience with the procurement process in Tennessee. Recently recognized by the TN Report for being known as an "expert in the state's purchasing practices," Nathan has cultivated the necessary connections with top-level decision makers throughout all areas of state government. Throughout his practice he has developed a strong grasp of the state's purchasing processes, and has successfully secured multi-million dollar purchases for numerous clients.

Nathan is a graduate of Cumberland University with a B.A. in Social Science. A native Tennessean, Nathan grew up in Lebanon and currently lives in Green Hills with his wife Molly.

Trammel began his time in Tennessee State politics as a key legislative liaison for the Department of Finance and Administration under Governor Haslam. During this time, he worked on the state's budget process, information systems and insurance plans and served as a vital link to the General Assembly on several topline legislative priorities.

Trammel transitioned to the private sector after the Haslam Administration to serve as a senior government relations advisor at Butler Snow. There he leveraged strategic procurement to create open channels of communication with top decision-makers and lobbied a variety of issues including health care, insurance and telecommunications.

Trammel is an alumna of the University of Tennessee�Knoxville, where he graduated magna cum laude and received his law degree from the University of Memphis. He has been listed among Ones to Watch in government relations practice by Best Lawyers in America�.

Originally from Brentwood, Trammel lives in Franklin. Outside the office, you can catch him at one of his kids' sporting events or out on the golf course.

Matt Hinch brings over a decade of experience in state and federal government and as a well-respected campaign and political strategist. Most recently, Matt served as chief of staff to Governor Terry Branstad and Lt. Governor Kim Reynolds, where he oversaw the day-to-day operations of the State of Iowa's executive branch and the Governor's office. In addition, he served as the chief policy and political advisor to the Governor leading successful legislative efforts to strengthen Iowa's infrastructure, improve workforce training and reduce student debt.

Prior to his role in the Governor's office, Hinch served as the senior vice president of government relations and public policy for the Greater Des Moines Partnership, Iowa's largest chamber of commerce representing 21 affiliate chambers throughout the State and 5,300 business members. While at the Partnership, Hinch developed the concept and spearheaded the successful passage of the Iowa Reinvestment Act, a creative funding strategy bringing $100 million in resources to spur development into Iowa communities. Hinch was also influential in building support for the largest property tax reduction for all classes of property in Iowa's history and the Governor's historic education reform initiative, which has been recognized nationally by education organizations and the U.S. Department of Education for its innovative Teacher Leadership and Compensation plan.

Previously, Hinch served as chief of staff to Iowa House Speaker Kraig Paulsen. As the top aide to Paulsen, Matt was instrumental in assisting the Speaker and the House Republican Caucus as they successfully worked to eliminate a $900 million budget shortfall.

Hinch also served as legislative director and campaign manager for Congressman Tom Latham. With Latham, Hinch managed the Congressman's legislative portfolio and his work on several House Appropriations subcommittees, assisting the Congressman in securing millions of dollars for his Iowa constituents. He also led two successful grassroots re-election efforts for Latham, including a 21-point victory in 2008.

Matt is involved in a variety of local community initiatives including the Every Student, Every Day, Dowling Catholic High School Annual Appeal. Matt is also an active member in the Iowa State Blue Ribbon Foundation, an organization that works to promote and enhance activities for Iowa youth at the world-renowned Iowa State Fair. Matt is a contributor to the University of Iowa Foundation and the University of Iowa Athletics Department.

Matt holds a B.A. in Communications, a minor in Political Science and a certificate in Entrepreneurship from the Henry Tippie College of Business, all at the University of Iowa. A native of Des Moines, Matt resides in West Des Moines with his wife and two children.

Before joining Cornerstone, Frank Chiodo most recently served as Deputy Secretary of State under Iowa Secretary of State Michael Mauro. While with the Iowa Department of Economic Development, Frank worked closely with Governor Tom Vilsack and Lieutenant Governor Sally Pederson to secure passage of the Iowa Values Fund, the largest and most successful economic development program in state history.

Frank also worked on Senator Tom Harkin's 2002 Senate campaign, and in 1999-2000 helped Vice President Al Gore secure a victory in the Iowa Caucuses.

Frank served in the Iowa House of Representatives representing District 67 in Des Moines from 1997 through 2003. He was ranking member of the Commerce Committee and elected as the minority whip.

In 2017, Frank was recognized by the Iowa General Assembly as a Pioneer Lawmaker.

Prior to joining JohnsonPossKirby in 2017, Luke served Capitol Hill in the Tennessee General Assembly, the Department of Finance and Administration, and the Office of Governor Bill Haslam.

Luke began working in politics in 2009 for Representative Pat Marsh and then joined Governor Haslam's office in February of 2011. During his tenure there, Luke helped shepherd the Governor's signature legislation through the legislative process. These initiatives include teacher tenure reform, tort reform, the TEAM Act, the Prescription Safety Act, and TN Promise to name a few. In 2015, Luke left the Governor's office to join Commissioner Larry Martin and the Department of Finance and Administration.In his role as Legislative Liaison, Luke was responsible for communicating with the legislature on behalf of Commissioner Martin and the divisions within the department. Luke worked with the Commissioner, Strategy Technology Solutions (STS), Benefits Administration, and the Division of Budget to achieve the department's goals and facilitate a strong working relationship between the department and General Assembly.

In addition to his work with the F&A divisions, Luke played a role in preparing the Governor's Budget and advocating for its approval in the General Assembly. These budgets included the largest tax cut in state history, two debt free budgets, and significant investments in recruiting jobs.Luke and his wife, Katie, live in Franklin with their two daughters, Ryall and Mackie.

15-20 years

Drew Duncan was born and raised in Parker, South Dakota. Drew graduated from Parker High School in 1994. In 1999 Drew graduated from the University of Nebraska-Lincoln. In 2002 Drew received his law degree from the University of South Dakota School of Law. During his time at USD, he served as the Student Board Association Vice-President his second year, and the Student Board Association President his third year. Drew was also a member of USD's Trial Team in 2002.

Following law school, Drew clerked for the Fifth Circuit Judge of the South Dakota Unified Judicial System in Aberdeen, South Dakota. Following his clerkship, he joined Zimmer, Duncan & Cole, LLP in 2003 and helped form The Duncan Law Firm, LLP in late 2017.

Drew has focused his practice on governmental affairs. Drew's practice also includes regulatory work with the State of South Dakota, criminal law, business services and family law.

Drew and his wife, Carrie, have two children, Olivia and Bennett. Drew is an avid golfer and outdoorsman and prides himself in being an active member of the community. He has served on the Board of Directors of the ParMar Valley Country Club, the Board of Directors of the Young Lawyers' Section of the South Dakota State Bar Association, the Executive Board of the South Dakota Republican Party, the Board of Directors of the South Dakota Arthritis Advisory Board, and the South Dakota Board of Elections.

Drew's representative clients include Eli Lilly Corporation, Heartland Consumers Power District, the Pharmaceutical Research and Manufacturers of America, Neighborhood Dental, the City of Parker, the South Dakota Collectors' Association, the South Dakota Insurance Alliance and Verizon Wireless.

Sara Allen joined Cornerstone in September 2016. Sara brings over five years of healthcare experience, as well as years spent lobbying, developing and executing policy positions, engaging grassroots advocates, and assisting with political action committee campaigns and endorsements. Sara assists clients throughout the legislative and rule-making process, focusing on health care and state government concerns.

Most recently, Sara worked as a state lobbyist and staff attorney working for the Iowa Hospital Association, representing all 118 Iowa hospitals at the statehouse and various administrative agencies. In this position, Sara gained expertise in a variety of areas impacting hospitals and other health care providers; these areas include financing and reimbursement, behavioral health, value-based healthcare delivery reform models, informational technology innovation, regulatory and legal compliance, scope of practice concerns for specific providers, public body concerns, and public health initiatives.

Before her position at the Iowa Hospital Association, Sara worked for a physician staffing company as associate corporate counsel. In that role, she was responsible for maintaining the corporation's business compliance, contract drafting and enforcement, and managing the human resources function.

Sara received her juris doctorate from Drake University in December 2010 and was admitted to the Iowa Bar in April 2011. Prior to Drake, Sara received her Business Administration degree from Grand View University. In addition to her formal education, Sara received her private pilot's license in 2005 and enjoys recreational flying.

Sara lives in Des Moines with her husband Colby and her three young children, Briar, Blake, and Boone.