Jeff Hamling joined Cornerstone in 2017, bringing a wealth of experience and relationships in Atlanta, Georgia. Jeff came to the firm after two years as a lobbyist in Dentons' Atlanta and Washington offices where he represented a number of corporate, governmental, and non-profit clients.

Prior to Dentons, Jeff worked at the Georgia Chamber of Commerce as vice president for state and federal affairs. Jeff joined the Chamber after serving then-Congressman Tom Price for over five years. Starting as a staff assistant, Jeff was quickly promoted to deputy chief of staff, overseeing the Atlanta office and various aspects of the federal legislative staff.

Jeff has also been recognized by prestigious organizations for professional accomplishments: profiled in Capitol Impact Magazine's People on the Move, "Rookie of the Year" award voted on by his peers in the Georgia lobbying community, and James Magazine's Georgia's Political Influencers in Washington, D.C.

Former Maryland State Senator, Thomas "Mac" Middleton joined the Cornerstone Annapolis office as a senior consultant in January 2021. Mac possesses nearly four decades of experience working in public service in the state of Maryland. He brings to the firm expertise in economic development, financial services, budget and appropriations, agriculture, energy and environment, and infrastructure policy.

He was elected to the Maryland State Senate in 1994 and initially served on the Senate Budget and Taxation Committee and was Chairman of the Capital Budget Subcommittee. Since 2003, Middleton has served as Chairman of the Finance Committee. As chairman, he led the committee in reviewing all legislation relating to banks and other financial institutions, business regulation and occupations, commercial law, economic development, health, labor, and insurance matters.

Prior to serving in the Senate, Mac was chairman of the Charles County Planning Commission where he worked to better manage growth in the county from 1978 to 1986. In 1986, he was elected President of the Charles County Commissioners and continued to work on improving the county's government services, education, and growth management. Mac has also served as Chairman of the Chesapeake Bay Commission, which is a tri-state legislative body that advises the legislatures of Maryland, Pennsylvania and Virginia, and the U.S. Congress on issues of bay-wide concern and ensures state and federal actions to sustain the living resources of the Chesapeake Bay.

Mac has been the owner and operator of his family farm, Cedar Hill Farm, since 1971 and brings unique insight into challenges faced by small business owners. He is a lifelong Charles County, MD resident, a full-time farmer, husband, father of three, proud grandfather, and strong believer in public service.

Jenna Massoni serves as a senior associate supporting the firm's Annapolis, Maryland office. She assists a team of seven senior professionals with issue monitoring, policy research and analysis and legislative advocacy and outreach. She became a member of the Public Relations Society of America Inc. in 2021.

Prior to her current position, Jenna managed health care benefits for the students of Johns Hopkins University and was involved in planning the annual commencement ceremony.

Jenna graduated from Washington College in May 2015 with a B.S. in Business Management and received her M.A. in Contemporary Communications from Notre Dame of MD University in December 2019.

20+ years

Recipient of the Phoenix Business Journal's Forty-Under-40 Award (Class of 2006)

Goodman previously served on the Arizona Constable Ethics, Standards and Training Board, appointed by Governor Jan Brewer. He is a past chairman of the Arizona Board of Athletic Trainers, serving two terms.

For over a quarter of a century, Stuart Goodman has been serving public and private sector clients at the State Capitol and local governments throughout Arizona.Having prior service in state and local government, Goodman possesses significant experience in the practices of Arizona government with a wide-ranging focus on state agencies, regulatory boards and gubernatorial and legislative process and operations.

Prior to establishing the firm in July 2000, Goodman served as a senior policy advisor to former Arizona Governor Jane Dee Hull. During his tenure in the Hull Administration, he provided policy and management advice for 47 cabinet level and regulatory agencies within state government.

Before joining the Hull Administration, Goodman directed the City of Glendale's Intergovernmental Relations program. He also served as the principal policy advisor to Mayor Elaine Scruggs and the City Manager for state and regional issues. In addition to serving the interests of elected officials, Goodman has also directed the legislative and media programs for the Arizona Department of Administration and was the associate director of government affairs for the Arizona Multihousing Association.

Goodman has contributed his talents to a number of civic causes and is a past president of Public Affairs Professionals of Arizona. He is a recipient of the Phoenix Business Journal's Forty-Under-40 Award (Class of 2006). Continuing his commitment to public service, Goodman received his commission in the U.S. Navy Reserve in 1999 and served honorably through 2009. In 2003, during Operation Iraqi Freedom, Lieutenant Goodman served as a Division Officer in the Persian Gulf and Indian Ocean aboard the aircraft carrier USS CONSTELLATION (CV-64).

Goodman holds an undergraduate degree in Economics and a Master of Public Administration, both from Arizona State University. He also completed the Program for Senior Executives in State and Local Government at Harvard University's John F. Kennedy School of Government.As a Phoenix native, Goodman survives the Arizona sun by playing ice hockey in two local leagues.

Goodman and his wife, Liz, live in Central Phoenix and have four children along with an Italian Greyhound.

11-15 years

Gabrielle Kees joined Cornerstone Government Affairs in 2009 with over 12 years of experience working in and around the Louisiana Legislature and Louisiana politics.

Gabrielle served as a senior lobbyist for the Louisiana Association for Justice for six years, leading legislative efforts to preserve and improve access to the civil justice system and the legal profession. She built dozens of strong relationships with legislators and their staff and in her spare time, worked on several campaigns for legislative candidates. Gabrielle continues to represent the association as outside counsel and leads the team for Cornerstone.

In addition to her work with LAJ, Gabrielle is an integral part of several other Cornerstone client teams including UnitedHealth, CenturyLink, and Mary Bird Perkins Cancer Center.

Prior to joining the LAJ, Gabrielle spent six years as a staff attorney for various committees in the Louisiana House of Representatives. She began her career in the House as liaison to the Legislative Auditor's Office. She then staffed the House Committee on Agriculture, and eventually served as the attorney for the House Commerce Committee, where she specialized in drafting legislation on occupations and professions, banking and financial institutions, business associations, river navigation and piloting, and commerce in general.

Gabrielle received a BA in political science from Louisiana State University where she was a member of Phi Beta Kappa. She earned a Juris Doctor from Louisiana State University Paul M. Hebert Law Center in 1996, and was admitted to the Louisiana Bar Association. After graduating she served as a law clerk for the 20th Judicial District Court.

Sally Kilpatrick advises a diverse set of clients on state legislative and regulatory issues with a focus on healthcare, energy, education and economic development policy. Sally joined Cornerstone's Atlanta, Georgia office in September 2015 and has more than 10 years of experience providing strategic advice to the private sector.

Prior to joining Cornerstone, Sally served as vice president of government affairs at the Georgia Chamber of Commerce, the state's largest business advocacy organization. Through her seven-year tenure at the Chamber, Sally developed an extensive background managing legislative and regulatory issues in the policy areas of water, energy, education, economic development and health care. While at the Chamber, Sally served on the Technology Association of Georgia's Government Affairs Taskforce and the Georgia Water Alliance. She managed the Georgia Chamber's Local Chamber Legislative Ad Hoc Committee and legislative affairs for Chamber's Small Business Advisory Council.

She has established strong, bipartisan working relationships with House and Senate members of the Georgia General Assembly and state agency officials. Her industry specific knowledge and key relationships have been valuable in assisting clients to successfully achieve their legislative and regulatory objectives at the state Capitol.

Sally is a current board member of Atlanta Moms Making A Difference and serves on the executive committee of the Georgia Chamber's Government Affairs Council.

Sally earned her B.S. in Journalism at Appalachian State University in Boone, North Carolina. She and her husband Trey reside in Atlanta with their daughter, Phen, and son, Clark.