20+ years

With decades worth of hands-on experience in Texas government and politics, Sabrina Brown offers valuable strategic counsel, as well as access to a vast network of key associates and decision-makers to a broad spectrum of clients.

Brown's extensive expertise in the state's legislative, regulatory, public affairs and appropriations arenas - combined with her strong bipartisan relationships - provides businesses and organizations with vital political and governmental guidance. Utilizing her many contacts within the Texas House and Senate, Executive Office and state agencies, Sabrina has effectively achieved the public policy goals of a wide variety of clients, from aeronautics giants to groundwater districts to Fortune 100 companies.

Prior to opening her own consulting firm, Sabrina was a highly successful lobbyist for an Austin-based law firm, and previously spent a half-dozen years at the Capitol working for the Texas House of Representatives. Her first-hand experience has given her a detailed familiarity with the legislative process and an in-depth understanding of state lawmakers' perspectives. With these insights, Sabrina creates effective messages and uses her firm's resources to efficiently communicate a client's position to busy legislators.

Brown earned her Masters in Public Affairs at the Lyndon B. Johnson School of Public Affairs at The University of Texas, and her bachelor's degree at Texas A&M University.

Brown currently serves on the boards of Dell Children's Medical Center Foundation, West Austin Youth Association, Beyond Batten Disease Foundation, Friends of the Governor's Mansion, Texas Conference for Women, and the Seton Development Board.

15-20 years

Recognized by the Central Penn Business Journal, Forty Under 40

Recognized by Susquehanna Style, Women in Leadership

Pennsylvania Association for Government Relations
Women in Pennsylvania Government Relations
Anne B. Anstine Excellence in Public Service Series, Class of 2008
Past Chair, Board of Directors, American Red Cross, Central PA Chapter
Leadership Harrisburg Area Executive Program, Class of 2016
Founder and Former Co-Chair, Dickinson College Alumni Association for Central Pennsylvania
Board member, Keystone Human Services Partnership Board
Board member, D.R.E.A.M. Partnership,
Associate Board member, Members 1st FCU

Angela Leopold is a Senior Partner of Novak Strategic Advisors. A savvy businesswoman and an accomplished community leader, Angela knows people and gets results. At NSA, Angela directs top to bottom grassroots campaigns, earned and social media strategies, and coalition building activities. For the past 15 years, she has worked on state and national issues such as healthcare, taxation, and energy. Angela co-leads the Issue Advocacy division at Novak and oversees several of Novak’s government affairs clients as well.

Early in her career as a political fundraiser, Angela developed creative, direct approaches to navigating grassroots campaigns that included issue-based forums, consensus building, and reputation management. Today, she utilizes this experience and continues to cultivate her well-established relationships and strong, broad-based coalition networks. Angela has successfully managed several local races drawing on her impressive organizational skills and ability to mobilize grassroots armies at the local level. From circulating petitions to building relationships with local business and community leaders, Angela leveraged her connections in creative ways, which ultimately led her candidates to victory in these local elections.

Angela is the past board chair of the Central PA Chapter of the American Red Cross, and in 2016 graduated from the Leadership Harrisburg Area Executive program. When Angela is not pulling it all together at work, she is pulling together ways to support nonprofits, including the Midwest Food Bank, D.R.E.A.M. Partnership, and Keystone Human Services (Partnership Board). In 2021, Angela was recognized as a 40 Under 40 Leader by the Central Penn Business Journal as well as Women in Business 2021 issue in Susquehanna Style.

Angela is a graduate of Dickinson College in Carlisle, Pennsylvania, and holds a Bachelor of Arts degree in Political Science. Angela lives in Mechanicsburg with her husband, Joe, and son, Mark.

Drew Maddox joined the Cornerstone Mississippi team in February 2020 as a vice president with more than 10 years of experience in finance and education policy. Previously, Drew served as the chief financial officer of the Mississippi Department of Revenue, where he oversaw all administrative divisions of the department, including accounting, communications, processing, information technologies and logistics. As CFO, Drew also worked closely with state legislators and statewide elected officials to guide tax policy decisions, liquor laws, and revenue-generating activities.

Prior to his time at the Department of Revenue, Drew also worked as director of state engagement at EdBuild, where he used his knowledge of political and governmental structures to strategically place educational reform proposals in the best positions for success in state legislatures across the country. Drew has also worked at the Mississippi Legislative Budget Office as the Senate budget officer, where he worked closely with leadership to craft and pass balanced budgets.

Drew received his Bachelor of Arts in English literature and his Bachelor of Business Administration degrees from Millsaps College in Jackson, Mississippi. Drew enjoys spending time with his wife and two children (Sam and Bee), baseball, and gardening.

Manning joined Cornerstone in May of 2023 following his time at Watkins & Eager PLLC, where he served as a Government Affairs Advisor. Based in Jackson, Manning supports clients at the state and federal level, specifically with infrastructure, community development, public safety, workforce development, Corps of Engineers and other issues areas.

In his previous role, he helped secure state appropriations for projects and pursued federal earmark requests, successfully advocating for tens of millions of dollars for clients. Additionally, he worked on a variety of issues including tax policy, business regulations, and federal and state regulatory approval for complex, large scale projects.

Prior to this, Manning held different roles with the Mississippi Development Authority (MDA), his last one being the Chief of Federal Affairs and Strategic Priorities, where he worked directly with the governor and his staff to support economic development. Manning was a member of the executive committee of the state's lead economic and community development agency advancing the state's priorities on a variety of federal issues including aerospace, military spending and base/mission realignment, infrastructure and defense sector recruitment.

While at the MDA he also directed the activities of six division directors with a wide variety of responsibilities from strategic policy development, community development and federal regulatory compliance, in addition to coordinating the inter-governmental affairs of the agency, including working closely with the Office of the Governor, statewide elected officials, other state executive agencies, the state legislature and the federal Congressional delegation.

Manning holds a bachelor's degree from the University of Mississippi.

6-10 years

Elliott Flaggs joined Cornerstone's Jackson office in October 2015. He most recently served as a special assistant attorney general with the Mississippi Attorney General's Office in the capacity of legislative liaison for Attorney General Jim Hood and director of the Child Desertion Unit. His responsibilities included analyzing and advocating legislation impacting state citizens and the Mississippi Attorney General's Office, advising the executive staff on legislative strategies, and making recommendations regarding legislative proposals. He also prosecuted parents for child neglect and abandonment in the Public Integrity Division.

Prior to the Mississippi Attorney General's Office, Elliott attended Mississippi State University where he received a bachelor's degree in industrial and systems engineering (B.A., 2007). After graduation, he was accepted into the Congressional Black Caucus Foundation - Walmart Emerging Leaders Program where he worked on Capitol Hill in Washington, D.C. for Congressman G.K. Butterfield (North Carolina - District 1). Subsequently, he attended The University of Mississippi School of Law and graduated cum laude (J.D., 2012). During law school, he was a member of the Mississippi Law Journal and Dean's Leadership Council while also serving as a Law School Student Body Senator.

Furthermore, Elliott is an active member of the Mississippi Bar Association, Jackson Young Lawyers, Magnolia Bar Association, the Charles Clark Inn of Court and Jackson Professional Group. He is an incorporator and board member of The First Tee of Central Mississippi in Jackson, MS. He is also a 2015-16 graduate of Leadership Greater Jackson and now serves on their board of directors. In addition, Elliott has been recognized as an American Cancer Society - Best Dressed Jackson honoree as a result of his community service efforts and by the Clarion Ledger as a Top Politician and Politico Under 35 in Mississippi.

Elliott and his wife, Brittany, reside in Madison, MS with their daughter, Lianne.

Kelly Wright joined the Cornerstone Mississippi team as a vice president in December 2023.

Kelly brings over a decade of experience in government relations, showcasing a diverse skillset and proven ability to navigate the intricacies of both state and federal legislative landscapes. In her most recent role as the director of government affairs at the Mississippi Manufacturers Association (MMA), she actively engaged with state legislators to advocate for key issues relevant to the MMA. Kelly's responsibilities included monitoring committee meetings and floor actions, preparing detailed position papers on legislation and establishing crucial relationships.

Additionally, Kelly maintained membership activities at MMA, where she oversaw the policy and government affairs committees. She served as a liaison between member companies and various state agencies, ensuring open lines of communication and facilitating collaboration. Notably, Kelly demonstrated her leadership abilities by managing the MMA PAC. She identified candidates aligned with MMA's mission and made recommendations to the MMA PAC Board.

Kelly holds a bachelor's degree in history and psychology from the University of Mississippi.

Ainsworth's practice focuses on Government Relations & Legislative Advocacy. He assists companies and employers across Louisiana and the U.S. by developing and communicating legislative priorities and regulatory policies that promote increased economic employment and business growth. His areas of focus include agriculture, energy, insurance, e-commerce/internet, financial institutions, manufacturing, and other industries.