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About me

John P. Davey is an
accomplished practitioner and business advocate who routinely advises corporate
decision makers in all aspects of their business practices.  As the Managing Director of O’Malley, Miles,
Nylen & Gilmore, P.A. and as a former Chief Administrative Officer of the Prince George’s County
Government, Mr. Davey has
firsthand knowledge of the myriad challenges facing regional business
leaders.  He utilizes his executive-level
experience to advise Chief Executive Officers, Managing Members of Limited
Liability Companies, and other business leaders on matters relating to
transactions and formation, contract preparation and negotiation, acquisitions,
strategic planning, and conflict resolution.


In addition to his business
expertise, Mr. Davey has significant experience in the successful
representation of builders and developers of mixed-use and transit-oriented residential
and commercial projects, including such clients as The Peterson Companies,
Foulger-Pratt/Argo Investments, and Prince George’s County, Maryland.  Mr. Davey’s twelve year tenure on the Board
of Directors of the Washington Metropolitan Area Transit Authority (WMATA) equips
him with a unique perspective on governmental agency regulatory processes and makes
him an effective leader for facilities-intensive projects.  In conjunction with his representation of
builders and developers of large development projects, Mr. Davey has acquired extensive
knowledge of the public financing approval process and has skillfully counseled
his clients on how to secure such financing for their projects.  Mr. Davey regularly represents business
owners, builders, and developers before administrative agencies at the State,
County, and Municipal levels throughout Maryland.


Mr. Davey is one of a
handful of attorneys in Maryland to be
accredited by the U.S. Green Building Council’s Leadership in Energy and
Environmental Design (LEED) program as a LEED Accredited Professional, and has
the distinction of being the first LEED accredited attorney with offices in Prince George’s
County.  Mr. Davey utilizes his knowledge
of green development and construction practices to advocate for his clients
during contract negotiation and at the site plan approval level. 


Davey serves as a Member on the Board of Directors of the region’s leading
business organization, the Greater Washington Board of Trade.  Mr. Davey is highly esteemed by his
professional colleagues for his business acumen and experience, and serves as a
Director of the Med-Chi Insurance Agency and Old Line Bank.  Mr. Davey is a member of the Economic Club of
Washington, and is on the Executive Committee of the Federal City Council.  Mr. Davey earned his Masters in Public
Administration and J.D. degrees from the American
University, and is admitted to practice
in Maryland and in the U.S. District Court for



Practice areas


  1. Government: 25%
  2. State & Local Law: 25%
  3. Administrative Law: 25%
  4. Business: 25%

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Contact info

O'Malley, Miles, Nylen & Gilmore P.A.

11785 Beltsville Drive, Tenth Floor
Calverton, MD, 20705-3121


We have not found any instances of professional misconduct for this lawyer.
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Legal answers
Work experience
TitleCompany nameDuration
Managing PartnerO'Malley, Miles, Nylen & Gilmore, P.A.2000 - Present
PartnerO'Malley, Miles, Nylen & Gilmore, P.A.1991 - 2000
Board MemberWashington Metropolitan Area Transit Authority1991 - 2003
Chief Administrative OfficerPrince George's County, Maryland1987 - 1991
Deputy Chief Administrative Officer/Chief of StaffPrince George's County, Maryland1982 - 1987
Grants Policy SpecialistU.S. Environmental Protection Agency1980 - 1982
Project ManagerComprehensive Employment and Training Program1976 - 1980
Association namePosition nameDuration
Med-Chi Insurance AgencyDirector2008 - Present
Old Line BankDirector2008 - Present
Federal City CouncilExecutive Committee2005 - Present
7th Circuit Business/Technology Case Management Advisory CommitteeMember2004 - Present
The Greater Washington Board of TradeMember, Board of Directors2002 - Present
The Economic Club of WashingtonMember1998 - Present
Holy Redeemer Catholic ChurchFinance Committee Member1993 - Present
Prince George's County Bar AssociationMemberN/A
Maryland State Bar AssociationMemberN/A
Maryland Bar FoundationMemberN/A
Maryland Commission to Develop a Model to Fund Higher EducationAppointed by House Speaker and Senate President2007 - 2009
Transportation Transition Policy GroupMember2006 - 2006
Mt. St. Mary's College President's CouncilMember2004 - 2006
Capital Classic PGA Gold TournamentBoard of Governors2003 - 2006
Maryland Appellate Judicial Nominating CommissionMember2003 - 2007
Maryland Economic Development CommissionMember1995 - 1998
Rosecroft RacewayDirector1995 - 2005
Prince George's Chamber of CommerceEconomic Development Committee1993 - 1998
Prince George's County Child Care Resources CorporationChairman1991 - 1994
Prince George's Economic Development CorporationMember, Board of Directors1984 - 1994
School nameMajorDegreeGraduated
American University, Washington College of LawLawJD - Juris Doctor1987
American UniversityPublic AdministrationMA - Masters1975
Kings CollegeN/ABA - Bachelor of Arts1974