Tony Essalih joined Cornerstone in 2011 as a co-lead of the firm's flagship Texas office in Houston. He spent 12 years on Capitol Hill and came to Cornerstone from the office of Congressman John Culberson (R-Houston). Tony worked for Congressman Culberson for 10 years, the last five as his chief of staff. Prior to becoming chief of staff, Tony served in a variety of capacities including legislative assistant, legislative director, communications director, and deputy chief of staff. He spent eight years in Washington, D.C. before relocating to Houston in 2007.

As chief of staff, Tony was responsible for guiding the day-to-day operations of the Congressman's Washington and Houston offices, and oversaw a 15-member staff under a fixed budget. Outside of the office, he served as the principal liaison to the Congressman's campaign committee and provided strategic counsel and advice related to his re-election efforts. Tony's areas of policy expertise include transportation, energy, budget and appropriations. Tony also led outreach efforts and served as an emissary on behalf of the Congressman with state lawmakers in Austin and local elected officials in Houston.

Prior to Culberson's election in 2001, Tony worked as a legislative assistant for Congressman Culberson's predecessor, former House Ways and Means Committee Chairman Bill Archer. Tony's began his tenure on Capitol Hill with former House Natural Resources Committee Chairman Doc Hastings.

Tony has advised and assisted numerous local, state, and federal campaigns. He serves on the board of the National InterFaith Foundation, the Advisory Board for the Houston Technology Center, spent two years on the Board of the Spring Branch Medical Center and was a member of Houston Mayor Annise Parker's transition team in 2010.

Tony was born and raised in Fredericksburg, VA and received his B.A. in Political Science from Mary Washington College. He was a member of Mary Washington's NCAA semifinalist men's soccer team. He lives in Houston and has two angelic daughters, Grace and Libby.

0-5 years

Natasha Mehu is a highly accomplished government relations specialist with over a decade of diverse experience in local, state, and federal affairs. With a successful transition from the public sector to the private sector, she is currently serving as a lobbyist at Manis Canning & Associates, where she advocates and educates on behalf of clients' interests to Maryland's state and local governments.

Natasha provides strategic advice, issue analysis, and guidance to clients on complex government matters, and excels in connecting clients with influential government leaders and staff. She is skilled in legislative advocacy and diligently tracks bills, proposed amendments, and regulatory matters to keep clients informed and well-prepared. Natasha's ability to build coalitions and mobilize allies has been instrumental in developing legislative support for clients.

Prior to her current role, Natasha held a senior leadership position as the Director of the Mayor's Office of Government Relations for the City of Baltimore. In this capacity, she formulated policy positions, set strategies, and advocated for the city's local, state, and federal legislative and fiscal priorities. Natasha fostered constructive relationships with internal and external stakeholders, serving as a liaison to city, state, and federal offices.

Natasha's extensive experience in government affairs is further exemplified by her tenure at the Maryland Association of Counties (MACo). As the Legislative Director, she led and coordinated advocacy efforts on behalf of MACo's member counties and Baltimore City in front of the Maryland General Assembly. She successfully managed a team of policy advocates, oversaw the legislative policy fellow intern program, and served as a liaison to various affiliate organizations. Natasha's expertise spanned multiple policy areas, including business affairs, health and human services, housing and community development, government liability and courts, and public safety and corrections.

In her earlier career, Natasha served as a Project Manager at the Maryland Department of Housing and Community Development, where she managed nonprofit grantee housing counseling agencies and legal services providers. She excelled in legislative liaison roles and provided technical assistance and training to ensure compliance with regulatory and statutory requirements.
Natasha's commitment to public health and equity is evident through her work as a Research Assistant at the University of Maryland School of Law and as a Student Attorney at the Drug Policy and Public Health Strategies Clinic. Natasha holds a J.D. from the University of Maryland School of Law, with a Certificate in Health Law. During her time in law school, she actively participated in the Student Health Law Organization (SHLO) and the Black Law Students Association (BLSA). She also competed as a member of the BLSA Thurgood Marshall National Trial Team.

Natasha earned her B.A. in Communication, with a minor in Philosophy, from the University of Maryland, College Park, where she received the University Honors Citation and was a member of the Lambda Pi Eta Communication Honor Society. Natasha is a member of the Maryland State Bar Association (MSBA) and holds bar membership in the state of Maryland. She also serves as a Board Member of the Maryland Government Relations Association (MGRA), a Board Member of Chase Brexton Health Care, and a member of the National Black Professional Lobbyist Association (NBPLA).

20+ years

Leadership Maryland Board and is a member of the class of 2019

University of Maryland Baltimore County School of Public Policy External Advisory Board

Maryland Economic Development Association Board and Co-Chair of the Public Policy Awareness Committee

Chair, Odenton Town Center Advisory Committee

With more than 20 years of government relations, management, and administration expertise, Andrea E. Mansfield brings her ability to successfully execute advocacy efforts and programs to Manis Canning. Her broad experience and involvement with the Maryland Legislature on policy, fiscal and budget matters; and her ability to work with diverse groups and build consensus on complex issues is an asset to the firm.

Andrea has extensive experience at the state and local level, having led and coordinated policy efforts for the Maryland Association of Counties (MACo) and implemented the legislative agendas of state agencies. As MACo's Legislative Director she advised, crafted, and implemented the common agendas and legislative goals of Maryland's 23 counties and Baltimore City.

In state government, she worked within three Administrations in positions of increasing responsibility, serving as legislative liaison to the Legislature for the Department of Budget and Management, and the Department of Labor, Licensing and Regulation (DLLR); and Special Assistant, Director of Financial Aid, and Assistant Secretary of Finance Policy with the Maryland Higher Education Commission.

She has a Master of Policy Sciences from the University of Maryland, Baltimore County and a Bachelor of Arts in Government and Politics from the University of Maryland, College Park.

20+ years

Nicholas G. Manis, the son of MCA co-founder George Manis and managing partner of the firm, has presided over legislative and special event successes on behalf of clients such as the Motion Picture Association of America, the Baltimore Ravens, the Maryland Association of Certified Public Accountants and Pfizer.

Nick has been an accomplished lobbyist and legislative analyst for more than 25 years and has played an instrumental role in forging innovative and economically enhancing business partnerships among clients. He is proud to see MCA continuously ranked as one of the top lobbying firms in Maryland and the growth the firm has experienced during his time here. He has represented clients in matters related to sports entertainment, taxes, professional licensing, gaming, transportation, insurance, franchises, business regulation, information technology, environmental regulation, mergers and acquisitions, pharmaceuticals and healthcare.

In 1989, Nick's business bent led him to co-found Manis & Wright Realty, a premier residential and commercial realty firm that grew from modest beginnings to a successful 40 associates company that merged with the largest real estate company in Maryland.

Nick graduated from the University of Maryland, College Park in 1980. He was the captain of the varsity lacrosse team during his time at College Park.

A native of Annapolis, Nick is involved in many local business and community organizations including the Annapolis and Anne Arundel County Chamber of Commerce, the University of Maryland Marlene and Stewart Greenebaum Cancer Center Board of Advisors, Annapolis Youth Lacrosse Association, and the Maryland Chamber of Commerce. He was presented the Louis L. Goldstein Award in 1998 in recognition of his efforts on behalf of the Maryland Alcohol Beverage Industry. He is married with two children.

Martin Hubert brings a wealth of state government experience to the clients of Cornerstone Government Affairs. From his early career as chief counsel to the Senate Natural Resources Committee to his gubernatorial appointment as a commissioner of the Texas Commission on Environmental Quality to his eight years as the deputy comptroller of Texas, Hubert has managed thousands of employees and millions of taxpayer dollars under both Democrat and Republican administrations.

Martin was the 2008 recipient of TSABAA's Administrator of the Year Award. Presented annually, this prestigious award was established to formally recognize state employees who have demonstrated outstanding leadership skills and who have made significant contributions to state agency business administration.

As the final general counsel to legendary Lt. Governor Bob Bullock, Martin learned the mastery of government relations from some of the most influential leaders in Texas history. His knowledge of agriculture stems from generations of the Hubert family's cow/calf and farming operations in South Texas and serving as the Texas Deputy Commissioner of Agriculture for eight years. Martin offers a unique combination of legal, natural resources, tax policy and state government procedural expertise.

Hubert is a graduate of the Georgetown University Law Center and St. Mary's School of Law. He was Brigade Executive Officer in the Corps of Cadets at Texas A&M University, where he was a member of the Ross Volunteers Honor Guard and the Singing Cadets. He successfully completed Army Ranger School and served in the U.S. Army Reserves. He is a marathon runner and coaches his son's little league teams.

Hubert is a second tenor and helps raise money for Legal Aid through the Travis County Bar Association's "Bar and Grill" fundraisers. He and his wife Celeste live in a historic home in Austin, where they are involved with the Austin Symphony, St. Theresa's Catholic Church and School, and the happily busy lives of their children Belle and Patrick.