Management Team


Paul P. Donahue
President and Chief Executive Officer

Paul P. Donahue is the President and Chief Executive Officer of Centerra Group, LLC. Centerra, which employs 10,000 people, is headquartered in Palm Beach Gardens, Florida and provides paramilitary, security, fire and emergency protection, K-9, naval base operations support, and explosive ordnance and mine removal services to sensitive government, UN and NATO facilities. Paul has been with Centerra since 1994.

Mr. Donahue has 25 years of experience in the financial and operational management of government, public, private and private equity organizations. He was the EVP and GM of Gulf Coast Operations responsible for the oversight of a 650-person security force. Prior to this, Paul was the Treasurer and CFO responsible for all financial operations of Centerra. Paul became the COO in 2006, President in 2010 and CEO in 2012.

Mr. Donahue is a Certified Protection Professional (CPP) with the American Society of Industrial Security (ASIS), is certified in Homeland Security (CHS) with the American College of Forensic Examiners International (ACFEI), is a Certified Management Accountant (CMA), is a Certified Forensic Accountant (CRFA), is a Certified Business Manager (CBM), and frequent public speaker on the importance of Business Ethics.

Mr. Donahue holds a BBA in accounting from the University of Miami and MBA from Palm Beach Atlantic University (PBA) where he is on the Rinker School of Business Board. Paul received the PBA MBA Distinguished Alumni Award in 2008 and the PBA Free Enterprise Medal in 2013. Paul attended the Stanford Graduate School of Business Directors’ Consortium in 2011, and the Yale School of Management CEO College in 2016. Paul is also a Board Member of the DOE Nevada Test Site Historical Foundation.

Together with his wife of 20 years and two teenage children, he resides in Palm Beach County. Since 2005, he is the owner and president of a private helicopter company that provides FAA Part 141 training, charter, executive transport, night vision training, news, sports event and life safety support coverage. Paul values his personal associations with AOPA and the volunteer aviation support to the Veteran’s Airlift Command as he and his wife maintain private pilot licenses with rotorcraft ratings.


Deborah F. Ricci
Chief Financial Officer

Ms. Ricci joined Centerra in November 2015 as Company’s the Chief Financial Officer. As the Chief Financial Officer, she manages the finance, accounting and information technology functions of the Company.

Prior to joining Centerra, Ms. Ricci most recently served as CFO for a leading counterterrorism firm in the Washington DC area where she was instrumental in the successful sale of the Company to a large government contractor. For more than 20 years, she has been a financial executive for foreign and domestic operations in mid-market defense, technology, and manufacturing companies. Her experience includes the day-to-day management of finance, accounting, information technology, pricing, contracts and human resources. , Ms. Ricci was named the CFO of the year for mid-sized companies by the Washington (DC) Business Journal.

Ms. Ricci was a fellow at the University of Pittsburgh where she earned a Master of Business Administration degree with a concentration in Strategic Planning. She holds a Bachelor’s Degree in Accounting from Bentley University in Waltham, MA. Ms. Ricci began her career as a certified public accountant in 2012.


Marcia B. Aldrich
SVP, Human Resources

Marcia B. Aldrich is the Sr. Vice President of Human Resources for Centerra. Ms. Aldrich joined the Company in 1987 and has served in various Corporate Human Resources positions, including Human Resources Generalist, Manager, Compensation and Benefits and Director of Employee Relations.

In 2013 Ms. Aldrich was promoted to her current position of Sr. Vice President, Human Resources. This role encompasses oversight for Employee Benefits, Employee Relations, Talent Management, Compliance, and Labor Relations, the latter of which was assumed from December, 2012. Ms. Aldrich is responsible for setting human resources direction through policies and procedures, and providing leadership in developing and executing human resources strategy in support of the overall business plan. She works closely with the executive management team on HR initiatives to continuously promote the organization’s culture of an Employer of Choice.

Prior to joining Centerra, Ms. Aldrich worked as an HR Generalist for a temporary staffing agency for three years.

Ms. Aldrich is a graduate of Florida International University, where she was awarded a Bachelor's Degree in Business Administration. She is a member of the Society for Human Resources Management.


Steve Hafner
COO, DOE Operations

Steve Hafner is the Chief Operating Officer for the Centerra’s Department of Energy (DOE) Operations.

Colonel Hafner began his professional career as an Air Force Intercontinental Ballistic Missile (ICBM) Launch Officer at F.E. Warren Air Force Base (AFB) in Cheyenne, Wyoming. Subsequent assignments included a tour of duty on the Strategic Air Command (SAC) Airborne Command Post, staff assignments at SAC Headquarters in Omaha and at the Pentagon, and command assignments at Grand Forks AFB, North Dakota, F.E. Warren AFB, Wyoming, and Kirtland AFB, New Mexico. He is a graduate of Squadron Officers School, the Armed Forces Staff College and the Air War College.

A career Air Force Logistician, Colonel Hafner led ICBM missile maintenance organizations at Branch, Squadron and Group levels. As the Logistics Group Commander for the 90th Space Wing at F.E. Warren AFB, Colonel Hafner provided supply, contracting, transportation, missile maintenance, and nuclear weapon maintenance support for an Air Force Space Command wing of 50 Peacekeeper and 150 Minuteman III ICBMs and 4,500 airmen.

Colonel Hafner’s final military assignment was commander of what is now Field Command, Defense Threat Reduction Agency, at Kirtland AFB in Albuquerque, New Mexico. After retiring from the Air Force, he worked at the Sandia National Laboratory before becoming the Director of what is now DOE’s Office of Secure Transportation.

His formal education includes a BS from the University of Missouri at Columbia and an MBA from the University of Wyoming. He is also a certified Project Management Professional.


Rick Tye
SVP, Business and Proposal Development, Safety, Fire & Emergency Services

Rick Tye has been with the company since 2004 and has more than 25 years of experience in federal, state, city and special district leadership positions, and 15 years in commercial/contract development. Mr. Tye was promoted to VP Business and Proposal Development for the company in January 2010 and subsequently SVP in January 2014. During his tenure in senior Business and Proposal Development roles, he has been responsible for the company being awarded millions of dollars in new business contracts.

Prior to his BD positions, he served as Vice President and General Manager of WSI Iraq Operations, where he designed, implemented and led the largest contingency operation of Firefighters in US Government history. At its height, the program generated annual revenue over $100M. Prior to joining the company, Mr. Tye was a Fire Chief, Texas Fire Training Director and the Director of the Emergency Services Training Institute, the largest trainer of first responders in the nation. There he was responsible for generating $40 million dollars in new business contracts annually to fund operations, and developed programs nationally and internationally to support the training of over 69,000 professionals each year. Chief Tye is a founding member of the National Domestic Preparedness institute and Texas Task Force 1 Urban Search and Rescue team. Chief Tye also served as the Director of Federal and International Programs at Texas A&M University, responsible for Business Development for the Texas Engineering Extension System.

Mr. Tye earned his Master’s Degree in Leadership from Pepperdine University, his B.S. in Business Administration from St. Edwards University, his A.A.S. in Fire Science from the Community College of the Air Force and completed his doctoral coursework in Marketing with North Central University. He holds the Chief Fire Officer Designation and is nationally certified in 22 areas. In 2008, Chief Tye was awarded the International Association of Fire Chief’s Safety Excellent Award for his work in Iraq.