Staff

“Marstel-Day employees are mature, well educated, and flexible to ever-changing situations. They have blended in seamlessly with the Government and Military workforce at the Headquarters. They also work very well, and professionally, with the other support contractors while keeping the ultimate goal in mind: service to the customer.”

Marstel-Day’s professionally diverse and talented staff serve our client’s needs through the application of innovative and effective solutions. Matrixed teams provide flexible and scalable services to execute small to large projects, support policy formulation and program development and execution, and undertake other initiatives both on-site and in a reach-back capacity.

We provide our clients with cost effective and highly skilled teams to meet their project requirements. In addition to our strong project management and technical skills, Marstel-Day’s capabilities are further enhanced by our significant insights into high-level environmental program and policy trends and management.

Leadership Team

Partners

NULLArray ( [0] => Administrator [1] => Senior [2] => Partner )
• Rebecca R. Rubin

  President and CEO
Array ( [0] => Administrator [1] => Counsel [2] => Senior [3] => Partner )
• Lee Halterman

  Partner
Array ( [0] => Administrator [1] => Senior [2] => Partner [3] => Business-Development )
• James "Phil" Huber

  Partner
Array ( [0] => Administrator [1] => Senior [2] => Partner )
• Sean Donahoe, PhD

  Partner
Array ( [0] => Administrator [1] => Senior [2] => Partner [3] => Business-Development )
• Jennifer Graham

  Partner
Array ( [0] => Analyst [1] => Senior [2] => On-Call ) Array ( [0] => Senior [1] => Scientist [2] => Program-Leader ) Array ( [0] => field-technician [1] => On-Call ) Array ( [0] => Analyst [1] => Planner ) Array ( [0] => Mid-level [1] => On-Call ) Array ( [0] => Analyst [1] => Senior ) Array ( [0] => Senior [1] => Program-Leader ) Array ( [0] => Analyst [1] => Mid-level ) Array ( [0] => Senior [1] => Planner ) Array ( [0] => Analyst [1] => Mid-level ) Array ( [0] => Intern [1] => On-Call ) Array ( [0] => Senior [1] => Program-Leader ) Array ( [0] => Analyst [1] => Senior [2] => On-Call ) Array ( [0] => Consultant [1] => Senior ) Array ( [0] => Analyst [1] => Senior [2] => Program-Leader ) Array ( [0] => Researcher ) Array ( [0] => Administrator [1] => Senior ) Array ( [0] => Consultant [1] => On-Call ) Array ( [0] => On-Call [1] => Technician ) NULLArray ( [0] => field-technician [1] => On-Call ) Array ( [0] => Intern ) Array ( [0] => Analyst [1] => On-Call ) Array ( [0] => Analyst [1] => Mid-level [2] => On-Call ) Array ( [0] => Senior [1] => On-Call ) Array ( [0] => Analyst ) Array ( [0] => Analyst ) Array ( [0] => Mid-level [1] => Technician ) Array ( [0] => On-Call [1] => Technician ) Array ( [0] => field-technician [1] => On-Call ) NULLNULLArray ( [0] => Administrator [1] => Mid-level ) Array ( [0] => field-technician [1] => On-Call ) Array ( [0] => Consultant [1] => Senior ) Array ( [0] => Administrator [1] => Intern ) NULLArray ( [0] => Consultant [1] => Senior ) Array ( [0] => Analyst [1] => Senior [2] => On-Call ) Array ( [0] => On-Call [1] => Biologist ) Array ( [0] => Consultant [1] => On-Call ) Array ( [0] => Analyst [1] => On-Call ) Array ( [0] => Consultant [1] => Senior ) Array ( [0] => Administrator [1] => Senior ) Array ( [0] => Consultant ) NULLArray ( [0] => Analyst [1] => Senior [2] => On-Call ) Array ( [0] => Consultant [1] => Senior ) NULLNULLArray ( [0] => Consultant [1] => Senior ) Array ( [0] => Administrator [1] => Senior [2] => Program-Leader [3] => Business-Development ) Array ( [0] => Consultant ) NULLNULLArray ( [0] => Senior [1] => Program-Leader ) Array ( [0] => Analyst [1] => Mid-level ) Array ( [0] => On-Call [1] => Technician ) Array ( [0] => Analyst [1] => On-Call ) Array ( [0] => field-technician [1] => On-Call ) Array ( [0] => field-technician [1] => Senior [2] => On-Call ) Array ( [0] => On-Call ) NULLArray ( [0] => Consultant [1] => Senior ) Array ( [0] => GIS-Technician [1] => Junior ) Array ( [0] => Administrator [1] => Mid-level [2] => On-Call [3] => Technician ) Array ( [0] => Researcher ) Array ( [0] => field-technician [1] => On-Call ) Array ( [0] => Senior [1] => Program-Leader ) Array ( [0] => Consultant [1] => Senior ) Array ( [0] => Administrator [1] => Senior ) Array ( [0] => On-Call ) Array ( [0] => On-Call [1] => Technician ) Array ( [0] => On-Call [1] => Technician ) Array ( [0] => GIS-Coordinator [1] => Senior [2] => Program-Leader ) NULLArray ( [0] => Analyst [1] => Mid-level ) Array ( [0] => Consultant [1] => Senior ) Array ( [0] => Analyst [1] => Senior )

Program Leaders

• Jennifer Allen

  Natural Resources
• Paula Bienenfeld

  Cultural Resources
• Dan Choike

  Installation Sustainment and Encroachment Management
• Richard A. Engel

  Senior Land Use Manager
• Corey Nelson

  Emerging Markets
• Tanya Perry

  NEPA
• George Solley

  Marine Corps Program
• Jason Winner, PLA, GISP

  Geospatial and Compatible Land Use Program Lead

Business Development

The Marstel-Day Business Development team is responsible for developing and implementing the company's business development strategy, identifying new contract opportunities, marketing Marstel-Day's capabilities and qualifications to new and existing clients, developing and executing capture strategies, developing and maintaining relationships with prospective teaming partners, and working with Program Leads to develop opportunities from existing contracts.

• James "Phil" Huber

  Partner
• Jennifer Graham

  Partner
• Corey Nelson

  Emerging Markets

Search our Staff

Staff Titles

Staff Locations