92 Franklin Street, Annapolis, MD

Our Professionals

Ivan V. Lanier

President / CEO

Ivan V. Lanier is the founding President and Chief Executive Officer of Greenwill Consulting Group, LLC. With over forty years of government relations and legal experience.  Mr. Lanier has an in-depth knowledge of Maryland’s legislative process,  specializing in Energy, Medical Cannabis, Transportation, Telecommunications, Property,  and Health-Care.

Lanier founded the firm in 2002, and under his leadership Greenwill Consulting Group has grown to become one of the leading government relations firms in Annapolis, Maryland.   For  over a decade Ivan has ranked as one of the top twenty performing lobbyist in Annapolis, Maryland.  He currently represents or has previously represented many Fortune 500 companies and continues to service a diverse list of clientele.

Ivan is widely recognized as a bipartisan lobbyist and believes  to be successful as a government relations professional, one must have strong relationships on both sides of the aisle.  Through his vast experience, Ivan knows that virtually every vote is a coalition of Democrats and Republicans, and his lobbying effort builds that alliance of legislators.  Through Ivan’s leadership, Greenwill has developed an expertise for bringing together such a coalition that supports the positions of its clients.

Mr. Lanier is a retired Police Sergeant from the Prince George’s County (Maryland) Police Department. During his twenty-year career with the department, he served as Commander of The Basic Training Division, Director of Wellness, Master Firearms Instructor, Emergency Vehicle Operations Commander and Criminal Law Instructor.

Ivan’s professional successes have been recognized by many organizations.  His most recent appointment was as Chair of the Maryland Clean Energy Center and Vice Chair of the Maryland Association of Energy Professionals.  He has been the recipient of numerous awards through his many years of serving the private and public sector.

David Lynd, Esq.

Government Relations Consultant

Mr. Lynd has in-depth knowledge of the Maryland’s legislative process. David has over 20 years of experience in government relations and business. He has vast experience in successfully representing clients in the casino gaming, mortgage and real estate industries. Through his experience and expertise, Mr. Lynd leverages a unique combination of regulatory/legal knowledge, advocacy and business acumen to achieve successful outcomes for his clients.

Mr. Lynd believes that having relationships on both sides of the aisle leads to successful outcomes for all of the firm’s clients. Success in achieving client goals requires a consensus from both Democrats and Republicans, as coalitions are necessary to attain your goals.

David is a licensed attorney in Virginia, Maryland and Washington, DC. He entered the government relations industry in 2001 as a lobbyist representing industry trade groups and clients before the Maryland General Assembly and various regulatory bodies. Mr. Lynd has also been employed by mortgage and real estate companies and has first-hand knowledge of the internal and external risks and issues affecting these industries.

Mr. Lynd graduated from Virginia Tech with a double major in Political Science and Communications. After attending Tech, he earned his law degree from the University of Baltimore in 2000. He currently resides in Alexandria, Virginia.

Enrique Melendez


Enrique Melendez brings over 30 years of Program Management, Systems Engineering and Business Technology management related subject matter expertise in the Transportation, Energy, Education, Hospitality, Federal and Military market sectors. Enrique provide clients with strategic business planning, business startup, technology planning and design consultancy, program management, IT and Security Systems support services.

Mr. Melendez has experience working with Fortune 500 firms ( such as GE, Leidos, Collins Aerospace) along with small/medium sized minority owned businesses. Additionally, he has been providing strategic planning and design services for firms interested in entering the medical cannabis industry either as a grower/process or dispensary.

Enrique holds several advanced engineering and management degrees and has served on numerous Board of Directors and industry committees. Melendez is a former President/Vice President/Board Member of the Anne Arundel County Board of Education. Enrique has also served as a BWI Airport Commissioner.

Brandon S. Butler, Esq.

Government Relations Consultant

Brandon Butler joins the Greenwill firm as an experienced government executive who is passionate about building communities through talent and workforce development, with a demonstrated history of working in the government administration at the state and local levels.

With a career already spanning nearly 15 years of government experience, Butler most recently served as County Administrator of Allegany County, Maryland. Since being appointed to that role in March 2018, Butler implemented a major initiative to reorganize local government, established a summer fellowship program for local government, created a first of its kind makerspace and training center, and created the county’s first Regulatory Reform Commission to focus on planning and zoning issues.

Prior to that, Brandon served as the Deputy Assistant Secretary for Workforce Development and Adult Learning at Maryland’s Department of Labor, Licensing and Regulation. While there, Butler led efforts to craft Maryland’s State Workforce Plan. In addition, he was part of the team implementing the Department’s youth apprenticeship initiative, was named as a co-chair of a national policy committee convened by the Aspen Institute and served on Governor Larry Hogan’s Two-Generation Family Economic Security Commission. Butler began his career in government working for Delegate Wendell R. Beitzel (R – Garrett & Allegany Counties) and the entire District 1 Delegation for seven years. During part of that time, Butler earned his Juris Doctor from the University of Baltimore School of Law while attending law school at night. He earned his bachelor’s degree from Frostburg State University, and is a member of the Maryland Bar.

Jacob Moore 

Legislative Policy Analyst

Jacob previously worked for Allegany County Government in Planning and Zoning. He handled special projects for the Board of County Commissioners. Under this capacity he managed special projects and coordinated activities with departments, county and other agency personnel involved in the planning, development and implementation of the project. Jacob represented Allegany County on committees, task forces, public hearings and made public presentations. Conducted complex studies and analyzed state and federal regulations to ensure projects compliance.

He specializes in land use and has extensive experience in, zoning regulations, renewable energy, intergovernmental affairs, permitting, and demographic statistics.

Jacob holds a B.S. in Geographic Information Science and Computer Cartography (GIS) and a B.A. in English from the University of Maryland—College Park. He is proficient in French and enjoys photography and copyediting.

Tia Ortiz

Legislative Assistant

Tia Ortiz joins Greenwill Consulting Group after a highly successful career in Interior Design and advocating for local nonprofits and community associations in Maryland and Pennsylvania. Tia is passionate about her clients with a proven record of going above and beyond to accomplish their goals. She brings a bright, fresh perspective to the government relations process. Mrs. Ortiz admires her unique strengths and considers them an asset in the government consulting business.  “For Corporations to grow, in this competitive market, they need to be heard. Presence and visibility are very important to our client’s success” she states.

For over a decade she has created functional and specifically tailored spaces to reflect her client’s personal style and design attitude. She believes there are many ways to accomplish a task and challenges can be resolved with a passionate, creative, problem-solving approach.

Tia has a BS in interior design from the Art Institute of Philadelphia and several years of experience in residential, commercial, and event design. She has, continuously, been one of the top sales designers in the Baltimore district. When she’s not at work, she advocates for nonprofits and community associations in Maryland.