Walter E. Allen
CEO
Walter E. Allen is the chief executive officer and principal-in-charge for numerous project management, project controls, systems engineering, and technological innovation projects. A former U.S. Navy officer, he founded Acumen Building Enterprise, Inc. and has overseen the development of contactless fare collection technology solutions used by major transit agencies.
Marlene Barrett
Human Resources Manager
Marlene Barrett serves as the Human Resources Manager, advocating for candidate and employee well-being. With over two decades of experience, she works closely with management to recruit, onboard, and support a diverse workforce.
Elizabeth Chege
Controller
Elizabeth Chege is the Controller and financial manager, responsible for managing the accounting department, accounts payable, accounts receivable, payroll, audits, and financial reports.
Gian Fiero
Director of Workforce Development
Gian Fiero is the Director of Workforce Development. He oversees the workforce development program, ensuring clear paths for career advancement and training while supporting partner and client relationships.
Tamara Halbritter
Senior Associate
Tamara Halbritter is a Senior Associate who leads the business development team and oversees project controls teams. She has extensive experience in proposal production, project management, and professional writing.
Robert Pilgrim
Program and Project Manager
PE
Robert Pilgrim is a Program and Project Manager providing oversight of planning, design, and construction on complex, multidisciplinary infrastructure projects, including public transit, light rail, high-speed rail, and freight rail. He has extensive international experience.