Mark Donnithorne

Deputy Executive Director of Facilities Operations, Supreme Court Building & Grounds

Role: Deputy Executive Director of Facilities Operations, Supreme Court Building & Grounds at Architect of the Capitol
Location: Washington, DC, US
LinkedIn followers: 500 followers

About Mark Donnithorne

Results-oriented leader with 27 years of experience in engineering and public works. Managed diverse, customer-focused teams that operated, maintained and sustained military communities. Administered large-scale programs as well as detailed projects in support of facility construction, facility maintenance, emergency services, custodial services and utility infrastructure. Adept at communicating and interacting with senior officials within the organization and at all levels of government.

Experience

Deputy Executive Director of Facilities Operations, Supreme Court Building & Grounds
Architect of the Capitol
Jun 2025 — Present · Washington, DC, US

Education

Duke University
BSE, Civil Engineering
1991 — 1995
Webster University
MA, International Relations
2002 — 2004

Skills

Air Force
Command
Civil Engineering
Emergency Management
Engineering Management
Facilities Management
Engineering
Readiness
Leadership
National Security
Military Operations
Top Secret
Dod
Military
Military Experience
Defense
Force Protection
Operational Planning
Proposal Writing
Intelligence Analysis
Government Contracting
Environmental Awareness
Organizational Leadership
Contract Management
Security Clearance
Physical Security
Government
Intelligence
Program Management
Information Assurance
Environmental Compliance
Army
Contingency Planning
Interagency Coordination
U.s. Department of Defense
Project Management

Contact information

Verified work emails, personal emails, and direct dials — unlocked in one click.

Work email
m••••••••@aoc.gov
Personal email
•••••@•••••.com
Direct dial
+19•••••••64

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Current company

Architect of the Capitol

Government Administration · 1.6K employees · Founded 1793 · Washington, District Of Columbia, United States

Twenty-four hours a day – seven days a week – 365 days a year, the more than 2,000 people of the Architect of the Capitol (AOC) serve the nation as proud stewards of some of the most iconic buildings and grounds in the world. Across the U.S. Capitol campus, architects, engineers and technicians design, enhance, and maintain new and historic structures, spaces, and building systems. Employees in various trades such as electricians, plumbers, masons, and carpenters maintain the facilities and infrastructure in optimal condition. Gardeners and grounds keepers create colorful displays and care for hundreds of acres of lawns and plantings. All of these efforts are directed at making the work of the Congress, the Supreme Court and Library of Congress – and the experience of the millions of visitors annually – as smooth, efficient and enjoyable as possible. Guides and Visitor Assistants at the U.S. Capitol Visitor Center provide an exceptional experience for visitors to the nation's Capitol.

aoc.gov

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