Our Leadership

Photo of Doug Magee

Doug Magee

President

Photo of Doug Magee

Meet Doug Magee

President

Doug Magee is President of Day & Zimmermann Government Services.
 
Day & Zimmermann’s Government Services Group is an integrated provider of mission support solutions to the U.S. Government and commercial clients. Whether the workforce is designing facilities, or operating and maintaining safe locations and assets, the Group’s combined services support the national security mission in the U.S. and abroad. 

Doug has a unique background and experience leading large operational business units and business development teams, and his strong network and reputation within the U.S. Government contractor community. He brings extensive experience both CONUS and OCONUS with a wide variety of Government agencies across a wide range of services: Security, Training, Logistics, Facilities, Staffing, and Construction.
 
Doug is a veteran of the US Army (1994-1998) and began his professional career in operations with Kellogg, Brown and Root (KBR) in their Government Services Division following his service. He has held several business development and operations roles with companies such as DynCorp International, Kaseman, Michael Baker International, and Comprehensive Health Services. During this time he managed business development activities and multi-functional logistics and contingency projects in worldwide locations, and grew these companies through organic and acquisitive expansion. 
 
Before joining the team, he served as an operating company president at Akima. During his time there, he oversaw and grew operations delivering services in facilities maintenance, base operating support and multi-functional logistics, including transportation, equipment maintenance and supply services. 
 
Doug has experience supporting a wide variety of agencies including DOS, DOE, USACE, DTRA, USAF, US Army, NAVFAC, NIH, NASA, DHS (TSA, CBP, ICE), HHS, USDA, and DLA.
 
Doug has a B.S. in Mechanical Engineering from the University of Virginia. 

Photo of Mike Bosco

Mike Bosco

Senior Vice President of Business Development

Photo of Mike Bosco

Meet Mike Bosco

Senior Vice President of Business Development

Mike Bosco is Day & Zimmermann’s Senior Vice President – Business Development for Government Services.

Mike Bosco is a retired U.S. Army Sergeant Major with more than 20 years of experience leading military and inter-agency personnel. He brings extensive operational experience within the U.S. Special Operations Command, with assignments in the 3rd Battalion, 75th Ranger Regiment, the 160th Special Operations Aviation Regiment (Airborne), Special Operations Command Pacific (SOCPAC), and last ten years of service in a Special Missions Unit (SMU). During his time in the Army, he also served with multiple Intelligence Community (IC) agencies, deploying as the sole Department of Defense (DoD) representative to forward intelligence operations and special activities focused on Foreign Intelligence Services (FIS) collaboration. He has received numerous military and IC awards for leadership and performance, including the Director of National Intelligence Certificate of Distinction and the National Intelligence Meritorious Unit Citation.

Mike has continued to serve the U.S. National Security Mission as an influential leader and executive in the private sector, including his former role as Senior Vice President of Army Mission Solutions/C5ISR for Sev1Tech, LLC. He previously led Business Development for the Emerging Markets Group (EMG), Akima, LLC as Vice President. Other prior roles include: Executive Vice President and Chief Operating Officer for Ops Tech Alliance (OTA), LLC; Vice President of Business Development at Altamira Technologies Corp; and Senior Director of Business Development at BAE Systems, Intelligence, and Security Sector.

Mike holds both a Bachelors and Masters of Science (both summa cum laude) in Information Technology Management from Touro College, and is a graduate from the Yale School of Management’s (SOM) Global Executive Leadership Program (GELP), with an MBA from the Mason School of Business at the College of William and Mary.

Photo of Michael Jenkins

Michael Jenkins

Senior Vice President of Integrated Security

Photo of Michael Jenkins

Meet Michael Jenkins

Senior Vice President of Integrated Security

As an integral leader on SOC’s executive team, Mr. Jenkins serves as Senior Vice President, Integrated Security, overseeing Cyber Operations, Cleared Staffing, Critical Infrastructure Programs, and Technical and International Security programs. At SOC, Mr. Jenkins leads with a solid track record of success, with three decades of experience in directing technically-varied missions for multiple U.S. Government agencies.

In his career at SOC, he has been instrumental in driving results and supporting the mission by leading the workforce in a variety of positions, including  Vice President of International Programs, as well as Senior Director of Operations. Prior to joining SOC, Mr. Jenkins served more than ten years abroad, supporting complex U.S. Government programs in the Middle East, South Asia, and Europe. He is known for his broad range of expertise, which includes his service with the Central South Texas Narcotics and Special Crimes Task Force as the Senior Agent in Charge. Throughout his career, Mr. Jenkins has continuously supported mission-critical programs with the United States Departments of Defense, State, Energy, Homeland Security, as well as other Government agencies in wide-ranging service offerings.

Mr. Jenkins received his Associate of Applied Science Degree in Information Security Management from Central Texas College and a Bachelor of Science in Information Systems Security from American Public University.

As a transformational leader at SOC, Mr. Jenkins continues to drive results, helping grow and diversify the company’s Government Services portfolio.

Photo of Amber Zilemba

Amber Zilemba

Vice President of Strategy & Innovation

Photo of Amber Zilemba

Meet Amber Zilemba

Vice President of Strategy & Innovation

Amber Zilemba holds the pivotal role of Vice President for Strategy & Innovation within Day & Zimmermann's Government Services Division, with a wide spectrum of mission-critical services ranging from integrated security to architecture & engineering, operations and maintenance, expeditionary logistics, tactical medicine, life support, and cleared staffing services for the U.S. Government and international interests.

Amber is a transformational leader, adept at orchestrating the intersection of strategy, innovation, and growth. Her distinctive capabilities drive sustainable top-line expansion through a strategic fusion of marketing, business development, strategic planning, mergers and acquisitions, competitive intelligence, and applied research —forging synergies between human intelligence and artificial intelligence to better serve the mission.

Amber brings more than two decades of experience in pivotal growth leadership roles for global architecture, engineering, and construction (AEC) organizations — with a significant role in charting strategic international growth, focused on the EMEA and Asia-Pacific regions.

Amber is an active advocate for industry advancement and leadership, serving on the Women in Defense, (NDIA) DC Chapter Board, and is a dedicated member of Chief, Leadership Greater Washington, and Society of Military Engineers (SAME). She is also a part of D&Z's Diversity & Inclusion Executive Board, with a commitment to fostering a dynamic and inclusive organizational culture.

Amber holds an MBA and a BA in English from the University of Connecticut. Her achievements underscore her dedication to advancing her career and her dedication to excellence.

Photo of Dan Cronin

Dan Cronin

Vice President of Integrated Security Business Development

Photo of Dan Cronin

Meet Dan Cronin

Vice President of Integrated Security Business Development

Dan currently serves as Vice President of Integrated Security Business Development. In this role, he plays a crucial role in propelling SOC's integrated security presence within the Department of State and other esteemed U.S. Government clients. Dan is instrumental in devising and executing strategic plans that aim to unearth untapped business prospects and extend the reach of Government Services. He brings more than 23 years of security and law enforcement expertise as a former Department of State (DoS) Bureau of Diplomatic Security Service (DSS) senior leader.

As the senior security officer for several U.S. Embassies and Consulates abroad, Dan supported missions in Greece, Iraq, Israel, Jordan, Pakistan, and Uganda. Dan also served domestically including his most recent assignment as Deputy Assistant Director of High Threat Programs where he oversaw the security operations in the State Department’s Highest Threat/Highest Risk locations. With experience in program management, construction design review and implementation, and global operational excellence—Dan is an effective communicator and leader of diverse and multi-disciplined teams.

Dan spent his career protecting personnel, facilities, and information and has actively worked on tactical, operational, and policy associated issues in the pursuit of the overall mission. Dan developed successful training programs designed to prepare people for high threat environments and global risk management. Dan is adaptable as shown through a career learning new countries, diplomatic issues, and navigating international relations. Dan received his Bachelor of Science in Criminal Justice from the University of Maryland.

Photo of Keith Tope

Keith Tope

Vice President of Federal Services

Photo of Keith Tope

Meet Keith Tope

Vice President of Federal Services

Keith Tope is Vice President of Federal Services. In his role, Keith is responsible for our Cleared Services component of the business which delivers various skillsets of specialized IT, Cyber, and Engineering talent requiring varying clearance levels including Secret, Top Secret, TS/SCI, Counter Intelligence, and Lifestyle Polygraph. 

Keith joins the Government Services team with a wealth of experience and knowledge in strategy and operations. In his previous role as Vice President at Yoh, Keith created and drove strategy and operations across multiple Yoh Specialty Practices and strategically scaled U.S. West SPG Operations and Branch geographies. 

Photo of Elgina Zakirova

Elgina Zakirova

Vice President of Human Resources

Photo of Elgina Zakirova

Meet Elgina Zakirova

Vice President of Human Resources

Elgina Zakirova is Vice President of Human Resources for Government Services. 

She has a progressive 15-year career leading exemplary human resource operations. Before joining our team, Elgina served as HR Operations Director at Akima, leading a team of 15 HR Business Partners and Generalists. She oversaw the effective delivery of their HR department’s key processes including performance management, onboarding/offboarding, adverse employment actions, grievance management, employee relations, contract phase-ins, and phase-outs.

Prior to joining Akima, Elgina worked at SOC from October 2008 - October 2016. She served as HR Director/Business Partner, and prior to that, HR Manager. In her most recent role with SOC, Elgina supported a $250M portfolio of international government and commercial contracts. She spearheaded the conceptualization and implementation of various compliance, process improvement, and cost-savings measures covering multiple areas of HR function including organizational effectiveness, employee development, on-boarding/off-boarding, recruitment, employee relations, performance management, compensation, and benefits.

Elgina holds a Master of Arts in Central and Eastern European Studies from LaSalle University. She earned her PGP in Business Analytics and Data Science from The University of Texas at Austin. She holds a certification in Labor Relations and Contracts Administration from Cornell.

Photo of Rob Burnett

Rob Burnett

Senior Director of Maintenance, Repair, and Overhaul (MRO)

Photo of Rob Burnett

Meet Rob Burnett

Senior Director of Maintenance, Repair, and Overhaul (MRO)

Rob brings more than 42 years of business experience to this mission-critical role, with a background in ethical leadership, finance and budgeting, program management, business development, and corporate compliance with state, federal, and military regulations. Before joining Day & Zimmermann, Rob held leadership positions at M1 Support Services, Kihomac, Kaiser Aircraft Industries, and JK Hill & Associates.
 
He served honorably in various positions in the U.S. Air Force for 30 years.  He culminated his career as Director of Logistics for Headquarters Air Force Special Operations Command directing a 140-person logistics staff, supporting 19 different versions of aircraft, five major installations, and full range of supply chain management.  Rob graduated from The Citadel with a Bachelor of Science in Biology, and Webster University with a Master of Art in Computer Information Resources Management.
Photo of Mike Liuzzo

Mike Liuzzo

Vice President of Finance

Photo of Mike Liuzzo

Meet Mike Liuzzo

Vice President of Finance

Mike Liuzzo is Day & Zimmermann's Vice President of Finance for Government Services. 

In his role, Mike functions as a business partner to Government Services for all financial planning and analysis activities, including reporting, forecasting, budgeting, and analysis for domestic, as well as international offices.  He provides leadership and coordination for the implementation and execution of organization-wide projects related to risk mitigation, financial and government contracting compliance, and financial success. Mike is responsible for identifying opportunities to increase profit margin/return on investment, while driving increased efficiencies, reducing costs, and improving service. 

As a results-driven leader, Mike brings more than thirty years of experience in finance and business, and approaches business problems with a knowledge of marketing, business development, operations, and product management. Whether tasked to rescue a program startup, ignite revenue growth, launch a new product, save operating costs, or improve processes, he has consistently delivered strong results. Mike most recently was Director of Financial Planning and Analysis for Dataprise. He also served as Senior Director of Finance for DynCorp International.

Mike holds his Master of Business Administration in Finance and Bachelor of Arts in Geology from Virginia Tech.

Photo of Sean Quill

Sean Quill

Vice President of Digital Transformation

Photo of Sean Quill

Meet Sean Quill

Vice President of Digital Transformation

As Vice President of Digital Transformation, Sean is responsible to partner with Government Services leadership to identify and implement strategic digital measures that strengthen business performance as well as drive customer satisfaction. 

Sean brings more than twenty five years of experience in providing technology solutions, developing strategies, driving innovation and building talent. Since joining D&Z Government Services in 2018, Sean has held a series of progressively responsible positions to become the Vice President of Digital Transformation. During the course of his career supporting Government Services, he has been instrumental in delivering innovative solutions leveraging best of breed technologies like: Appian, Salesforce, SAP, UKG, and Power BI. Most recently, Sean assumed an expanded role to lead the Government Services IT team and drive performance innovation and improve operational effectiveness.

Sean has supported programs with the United States Departments of State, Department of Energy, as well as other mission critical federal agencies across varying service offerings both domestically and internationally.

He is a USAF veteran and holds a BA from DePaul University.
Photo of Jon Mellis

Jon Mellis

General Counsel & Secretary

Photo of Jon Mellis

Meet Jon Mellis

General Counsel & Secretary

As General Counsel, Jon is responsible for the mission-critical legal, contracts, and compliance counsel provided to executive leadership, D&Z’s Government Services Division, and customers.

With leadership and expertise in all areas of the government sector, including cyber security, Jon has extensive government and private sector experience. He most recently was Assistant General Counsel at VMware, Inc., in Reston, Virginia. He also served as Associate General Counsel at Lockheed Martin Corp. and Assistant General Counsel at the Federal Bureau of Investigation (FBI).  

Jon is a Commander in the U.S. Navy Reserves, who previously served in the Judge Advocate General’s Corps for the U.S. Navy.  Jon received his Bachelor of Arts Degree from John Hopkins University and a Juris Doctorate from Vanderbilt University.  He also holds a Masters of Arts Degree from Georgetown University’s School of Foreign Service in Security Studies.
Photo of Holly Holt

Holly Holt

Director of Marketing & Communications

Photo of Holly Holt

Meet Holly Holt

Director of Marketing & Communications

Ms. Holt serves as Marketing & Communications (Marcom) Director, and public affairs advisor to SOC, a mission-focused Day & Zimmermann Company. In her role, she supports a broad range of Architecture & Engineering, Global Security, Cleared Staffing, Mission-Support Training, and Operations & Maintenance solutions for the Department of Energy, Defense, State, The U.S. Government, Intelligence Community and other non-government customers. At SOC, Ms. Holt serves as the important thread communicating the mission and strategic vision across the global offices on critical USG missions and programs, both CONUS and OCONUS. As the public affairs partner to customers in the Departments of Energy, Defense, State, the IC and other Federal Government Agencies, she has been a key media strategist with government partners in the situation room supporting the U.S. National Security Mission.

Her leadership for the Government Services division includes a strategic focus on the growth of all brands and the company’s digital presence. As an integral leader driving the pride and patriotism for SOC’s mission-critical work in the U.S. and overseas, Ms. Holt works closely with all teams to demonstrate their delivery of mission-critical support to the U.S. Government around the clock.

As an active member of organizations such as the D&Z Diversity & Inclusion Committee, the Intelligence National Security Alliance, NDIA Women in Defense, and Amazing Women of the Intelligence Community, she also previously led the Day & Zimmermann Women’s Resource Group to spearhead female advocacy campaigns across the company’s enterprise of 42,000 global employees.
Photo of Deanna Corey

Deanna Corey

Director of Safety

Photo of Deanna Corey

Meet Deanna Corey

Director of Safety

Photo of Shawn Roslin

Shawn Roslin

Vice President of Domestic Programs and Operations Support

Photo of Shawn Roslin

Meet Shawn Roslin

Vice President of Domestic Programs and Operations Support

Shawn Roslin is Vice President of Domestic Programs and Operations Support at SOC. 

With 30 years of government service, specializing in large programmatic integration related to U.S. National Security Mission, his transformational leadership experience includes a variety of disciplines: protective operations, risk mitigation, threat management, risk analysis, anti-terrorist force protection, and investigations.

Roslin comes to SOC from the Central Intelligence Agency (CIA) as a Senior Intelligence Officer, where he most recently led the Agency’s worldwide security protective operations group, comprised of more than a thousand Staff and Contract Officers. In this lead role, he was responsible for all operational and programmatic aspects of the Agency’s worldwide protective programs focused on armed protection, risk mitigation, and recommendations for Agency personnel and facilities, often in high-risk environments. Managing all level Protective Staff, Worldwide Response Staff, Resource Staff, and the Security Protective Service, he brings expertise to a wide range of protective and security support to the DCIA, DDCIA, DNI, PDDNI, and other Agency and Intelligence Community personnel.

In his career, he served overseas as Chief, Security, a program leader and expert-level Security Officer, in multiple locations and stations including: Near East and South-Central Asia Mission Center 2020 to 2022; Southeast Asia Location (OCONUS) 2016 to 2020; Near East Locations (Warzones) 2011 to 2015; Technology Integration Division at the ODNI 2008-2011, Africa Division and Europe Locations (OCONUS) 2004 to 2008. In these assignments, he was responsible for providing all aspects of operational security to the mission centers, many located in challenging and dynamic environments to include war zones and expeditionary sites rated as CRITICAL or HIGH for acts of terrorism and/or political violence. As Chief Security for the Near East and South-Central Asia Mission Center, he led the strategic planning and implementation of a vision that drove the successful drawdown and evacuation of a War Zone in South Central Asia in 2021. As well as chairing and serving as the Executor on several Senior Leadership boards such as the Technology Research Steering Committee and the High Threat Activity Council, directly impacting Agency policy and operations.

Roslin is a U.S. Military Veteran, having served in the United States Marine Corps (USMC) from 1990 – 1998. Immediately following his service in the Marines, Shawn became a Special Agent with the Georgia Bureau of Investigation’s Drug Task Force followed by joining the Naval Criminal Investigative Service (NCIS) from 2001- 2003.