Emergency Dispatch: (703) 335-7982

Customer Service: (703) 335-7950

MENU

English Korean Spanish Vietnamese

Senior Staff

Make a Suggestion to Management

 

 

Dean Dickey

Dean Dickey
General Manager

Mr. Dickey has served as General Manager since June 2005. Prior to his appointment as General Manager, Mr. Dickey served as Director of Utilities for the City of Sunrise in South Florida, a regional utility which serves four cities and a population of 215,000. Prior to that, Mr. Dickey was Executive Director of the Central Wyoming Regional Water System. He is a retired Army Officer, having served in the U.S. and overseas with the U.S. Army Corps of Engineers. Mr. Dickey received a BS from West Point and an MS in Civil Engineering from the University of Virginia in 1988.

(703) 335-7900

GM@pwcsa.org

Leslie Griffith

Leslie Griffith
Deputy General Manager

Ms. Griffith has served as the Deputy General Manager since April 2006 and prior to that as the Director of Finance since March 1997. Prior to her employment with the Authority, Ms. Griffith served as Director of Finance for Loudoun County Sanitation Authority. Ms. Griffith received a BS in Accounting and Finance from Virginia Polytechnic Institute and State University in 1979. She is a Certified Public Accountant.

(703) 335-7900

Don Pannell

Don Pannell
Deputy General Manager, Planning and Program Management

Mr. Pannell has served as the Deputy General Manager for the Planning and Program Management since July 2019. He began his employment with the Service Authority in 2005, having previously served as both the Director and the Deputy Director of Operations & Maintenance. Prior to his employment with the Authority, Mr. Pannell served as the Collection and Distribution Manager for the City of Manassas. Mr. Pannell received his BS in Civil Engineering from Virginia Polytechnic Institute and State University in 1992 and a MS in Engineering from Old Dominion University in 1997. He is a Registered Professional Engineer.

(703) 335-7900

Evelyn Mahieu

Dr. Evelyn Mahieu
Chief Operations Officer (COO) 

Dr. Mahieu has served as the Director of Environmental Services and Water Reclamation since March 2011. Prior to joining the Service Authority, Dr. Mahieu was the Regulatory Affairs Coordinator at the Upper Occoquan Service Authority for 11 years. Dr. Mahieu received a BS in Chemistry from the University of Puerto Rico where, in 1982, she also completed her PhD in Chemistry. Additionally, Dr. Mahieu completed a National Institute of Health Postdoctoral Research Fellowship at the Mayo Medical School in Rochester, MN in 1986.

(703) 335-7900

water_quality@pwcsa.org

Director of Finance

Astrid Nelson
Chief Financial and Business Operations Officer (CFO)

Ms. Nelson has served in her current role since September 2019. Since joining the Authority in 2003, she has served in roles of increasing responsibility including Chief of Strategic Business Initiatives, Director of Finance, and Accounting Manager since 2003. Prior to her employment with the Authority, Ms. Nelson was an auditor for Deloitte & Touche, LLP. Ms. Nelson received a BS in Accounting from George Mason University in 1998 and is a Certified Public Accountant.

(703) 335-7900

finance@pwcsa.org

Brandon Pfleckl

Brandon Pfleckl
Chief of Integrated Utility Management

Mr. Pfleckl oversees the Information Technology (IT) Division, Enterprise Asset Management (EAM) Division, and utility planning frameworks. The prior nine years, Mr. Pfleckl served in multiple technical and leadership roles within both the IT and EAM Divisions.  Mr. Pfleckl received a BS in Environmental Science & Geology from Mary Washington College in 1998 and a MS in Geographic & Cartographic Sciences from George Mason University in 2007. Mr. Pfleckl is also a Certified Project Management Professional and Geographic Information System Professional.

(703) 335-7900

Lyle Beefelt

Lyle Beefelt
Director of Management and Budget

Mr. Beefelt has served as Director of Management and Budget since June 2006. Prior to that, Mr. Beefelt was employed for eighteen years as the Financial Analyst and Senior Financial Analyst in the Division of Finance. Mr. Beefelt received a BA in Economics from Brigham Young University in 1984.

(703) 335-7900

Samer-Beidas-shadow

Samer Beidas
Director of Engineering and Planning

Mr. Beidas has served as Director of Engineering & Planning since May 2013. Prior to joining the Authority, he was the Public Works Director for the Town of Purcellville and General Manager of the Department of Environmental Services for the City of Falls Church. Mr. Beidas received a BS in Civil Engineering with Construction Option in 1984 and MS in Civil Engineering from North Carolina State University in 1986. He is a registered Professional Engineer and Certified Construction Manager.

(703) 335-7900

Keenan Howell

Keenan Howell
Director of Communications

Mr. Howell has served as Director of Communications since November 2006. Prior to joining the Authority, he was Communications Director for the Latin America Bureau of the United States Agency for International Development. Before entering international development work, Mr. Howell was a television news reporter and producer as well as a radio news announcer. Mr. Howell received a BA in Communications from George Mason University in 1998.

(703) 335-7900

communications@pwcsa.org

Theresa O'Quinn

Theresa O’Quinn
Director of Human Resources, Organizational Development and Legislative Affairs

Mrs. O'Quinn has served as Director of Human Resources and Organizational Development (HROD) since January 2009 and took on the responsibility for Legislative Affairs in 2018. Prior to her employment with the Service Authority, Mrs. O'Quinn held the position of Director of Economic Development and Deputy County Administrator for King George County (VA) Government. She also served as the Director of Human Resources and Deputy Director of Utilities for Spotsylvania County (VA) Government. Mrs. O'Quinn received a BA in Business and Economics from Emory & Henry College in 1988 and a MBA from Strayer University in 2002. Mrs. O'Quinn also holds a certification in Employee Benefit Plan Administration from Georgetown University and is certified as a Senior Professional in Human Resources (SPHR) through the Society for Human Resource Management.

(703) 335-7900

hr@pwcsa.org​

Doug Shoop

Tony Piccione
Director of Information Technology

Mr. Piccione has served as the Director of Information Technology since July 2019. He began his career with the Service Authority in 2006 as Systems Administrator before serving as Network Services Manager and Deputy Director. Mr. Piccione is a Cisco Certified Network Professional, Microsoft Certified Systems Engineer and VMware Certified Professional.

(703) 335-7900

Tony Piccione

Doug Shoop
Director of Operations & Maintenance

Mr. Shoop has served as the Director of Operations & Maintenance since September 2019. He began his employment with the Service Authority in 2011, having previously served as the Deputy Director of Engineering and Planning and as the Operations and Maintenance Collection and Distribution Manager. Prior to his employment with the Service Authority, Mr. Shoop was the Utility Systems Maintenance Supervisor and a Project Manager for Loudoun Water. His career includes service in the U.S. Marine Corps, consulting engineering, and utility engineering and management. Mr. Shoop received his BS in Civil Engineering from The Pennsylvania State University and is an alum of Leadership Prince William. He is a registered Professional Engineer and a Certified Construction Manager.

(703) 335-7900

Jeanetta Williams

Jeanetta Williams
Director of Enterprise Asset Management

Ms. Williams has served as Director of Enterprise Asset Management since October 2018 and Deputy Director of Enterprise Asset Management since May 2017. Prior to her employment with the Service Authority, Ms. Williams held the positions of Enterprise Programs Manager and Stormwater Utility Manager for the City of Suffolk, Virginia. Ms. Williams received her BS from Old Dominion University in 2002 and a Master’s in Public Administration from Old Dominion University, Strome College of Business, in 2019. She is also a Certified Project Management Professional (PMP) and Geographic Information System Professional (GISP).

(703) 335-7900

Grid
Outlines