McLean, VA – E3 Federal Solutions, LLC has welcomed Bret Birkholz to the firm as the Vice President of Homeland Operations (HLO). Mr. Birkholz has over two decades of experience providing executive and senior level strategic advisory and consulting support within the Department of Homeland Security (DHS) and the Department of Navy (DoN). He is a former Naval Supply Corps Officer, having spent over five years on active duty reaching the rank of Lieutenant. Prior to joining E3, Mr. Birkholz spent 10 years as an Account Manager at Grant Thornton LLP where he led business development and client delivery across multiple decision analytics, strategic planning, and business transformation projects at Customs and Border Protection (CBP). Mr. Birkholz holds a Bachelors degree in Commerce with a concentration in Finance from the University of Virginia. He is a certified Project Management Professional (PMP) and Six Sigma Green Belt (SSGB). 

“We are thrilled to welcome Bret to our Homeland Operations team here at E3,” said Martin Mackes, E3’s Chief Delivery Officer. “His proven track record in high visibility leadership positions, his strong interpersonal and analytical skills, and his sound technical expertise will allow him to grow this line of business as we mature in the unrestricted market.”

About E3: E3 Federal Solutions, a Veteran-Owned business, is a four-time Virginia Chamber of Commerce Fast 50 honoree, a five-time Inc. 5000 honoree, and a three-time Washington Technology FAST 50 honoree. Our program management and service delivery practices are appraised at CMMI maturity level 3, and our quality management system is certified to ISO 9001:2008. As a trusted advisor to our federal government clients and industry partners, E3 leverages its exceptional ability to tailor use of proven management techniques to meet the needs of specific client environments. E3’s culture is deeply oriented around growing people, finding solutions, and developing approaches that measurably impact our client’s challenges. E3 integrates our processes and tools seamlessly into our client’s culture and programs, maintaining a relentless focus on creating value and improving operations. E3’s approach has a proven track record for successfully organizing large acquisition offices, providing security operations with data-driven analysis and program support, and managing national large scale facilities and construction operations. E3 provides its clients with management consulting services crossing multiple disciplines to include information technology, data analysis, and transportation security. Learn more at