The NDIA Board of Directors manages the business and affairs of NDIA-DVC, and is comprised of the following officers and directors:

President Paul Trenholm

Through a twenty (25+) year career in the Defense Industry, my experience has ranged from working for one of the Navy’s commercial shipyards – Ingalls Shipbuilding, expanding the Navy business within one of the US Defense Primes – Curtiss Wright, to most recently stepping in as owner and President of a Small Business – Derbyshire Machine & Tool Co. a manufacturer of Navy valves, strainers, educators, and fluid control systems in Philadelphia.

Focus over the last 15 years has been on the Business Development of Advanced Valve Technologies for Navy Shipbuilding applications to enable cost reduction by reduced manning and maintenance by incorporating higher levels of automation and materials.  Scope of responsibilities included:

  • International Business Development.
  • Congressional Outreach.
  • RDT&E coordination with DoD SBIR (Small Business Innovation Research) firms.

Bachelor of Science Degree 1977, Rider University Lawrenceville NJ

Memberships include:
* Board of Directors President – National Defense Industrial Association (NDIA) Delaware Valley.
*ACIBC & SIBC Aircraft Carrier & Submarine Industrial Base Coalitions.
* Navy League SE Pennsylvania Chapter.
* American Society of Naval Engineers.
* Marine Machinery Association –  Navy Shipboard Equipment Manufacturers.
* Board of Directors( 2005-2015) – Philadelphia Ship Preservation Guild – Historic Tall Ship “Gazela”.
* Served on Commissioning Committees for USS Michael Murphy, USS Somerset, & USS Murtha.
* Union League Armed Services Council.

Vice President Kathy Reynolds

Ms. Kathy Reynolds has been in the military defense industry for more than 35 years. She has diverse hands on, in the trenches experience with many years of primary focus on procurement, distribution channels, sales and marketing strategies. Most of her career has been with Triman Industries, Inc. which is located in West Berlin, NJ.

Triman is a unique distribution company providing military land, sea and air aftermarket products to the defense industry. Triman establishes strategic partnerships with manufacturers to create business growth optimizing logistics between partnered suppliers and military customers. Trimans service philosophy is to meet and exceed customer expectations, achieve management goals, and create an inclusive, team oriented and positive employee culture. That is where Kathy has embraced and targeted her many years of experience and knowledge to the key objectives and goals of Triman.

In the past 10 years as Triman’s Vice President of Sales her role has been that of strategic partnership development, retention and customer support.
She interfaces with manufacturers to align their core competencies of designing and manufacturing military spare products to both government agencies and military defense customers in need of the products. Products within the land, sea and air aftermarket range from legacy/near obsolescence parts to new and innovative first time procurement products.

Kathy’s vast and diversified knowledge of the full circle government procurement cycle and marketplace intel discovery enables her to clearly identify and support the military defense capabilities of the  manufacturers, ultimately providing support to the end users product fulfillment needs.

Kathy is an active board member for the NDIA Delaware Valley Chapter.
Additional memberships Kathy belongs to include:
Aerospace Industries Association (AIA)
American Society of Naval Engineers (ASNE)
Association of the United States Army (AUSA)
Marine Machinery Association (MMA)
Navy League of the United States
Women In Defense Liberty Chapter (WID)

Treasurer Tom Harris

Dr. Harris earned a Bachelor of Science degree in Science Engineering from the University of Michigan (Go Blue!), and Master of Science and Doctorate degrees in Mechanical Engineering from the University of Pennsylvania.     Dr. Harris has performed research and development for a wide range of high-performance air vehicles, including space recovery vehicles, defense interceptors, maneuvering reentry vehicles, and launch vehicles.   He also has a demonstrated track record in management and business development.

Dr. Harris began his career with General Electric in the Reentry Systems Division, where he was responsible for the aerodynamic design of maneuvering reentry vehicles.   In 1977, he joined Science Applications International Corporation (SAIC), where he developed computational fluid dynamic (CFD) models and managed numerous supersonic wind tunnel test programs.

In 1996 Dr. Harris was promoted to Assistant Vice President and Division Manager of the Fluid Sciences Division.   During his leadership the Division executed a number of high visibility programs, including long range projectiles for the Navy, a miniature exoatmospheric kill vehicle for the Missile Defense Agency, and Japan’s HOPE-X unmanned shuttle program.   His customers included the U.S. Air Force, DARPA, the Missile Defense Agency, U.S. Army Space and Missile Defense Command, U. S. Navy, and the CIA.

In 2008 Dr. Harris established Valley Forge Scientific, LLC.  He currently teaches aerodynamics at Villanova University.

Secretary Irene Katacinski

Irene Katacinski was the former Deputy Director for Small Business Programs for the Naval Warfare Centers in Philadelphia, PA and Bethesda, MD.  As the chief advisor to the Commanding Officer on all small business matters, Irene was responsible for small business acquisition policy and strategic initiatives, and ensured small businesses were provided maximum practicable opportunity to support the Command as prime and subcontractors.

Irene has been a Board Member of the Delaware Valley Chapter of NDIA since 20010.


President1Paul Trenholm, Derbyshire Machine & Tool, Philadelphia
1st Vice President2Kathy Reynolds, Triman Industries, West Berlin,
2nd Vice President3Vacant
Secretary3Brian Gocial, Esq., Partner, Blank Rome
Treasurer4Thomas Harris, Valley Forge Scientific, Philadelphia


1Anthony DeMarco, PRICE Systems, Mt Laurel
2Daniel Rhoads Jr., Rhoads Industries Inc., Philadelphia
3Paul Welsh, Analytical Graphics Inc., Exton
4Joseph Welsh, Esq., Rhoads Industries Inc., Philadelphia
5Robert Coates, L3Harris Maritime Power Systems, Philadelphia,
6Jane Lowenstein, JanBara Associates, Conshohocken,
7William Eckerle, EHS Technologies, Moorestown
8Eileen Mulvena, NDI Engineering Co., West Depford,
9Sam Thevanayagam, Parts For Life Inc., Cinnaminson,
10Juan R. Peñalver, Lockheed Martin Mission Systems and Training (MST)
11Marco Digabriele, Boeing Company, Ridley Park,
12Bill Sunick, Leonardo
13David Shaffer, Kreischler Miller, Horsham
14Phil Jaurigue, Sabre Systems, Warrington,
15Irene Katacinski, NSWC (Ret), Philadelphia,
16Len DeStefano, McKean Defense
17Dean Mancini, TDI Technologies,
18Manny Torres, Lockhead Martin

King of Prussia, PA

Honorary Directors

1John J. Mulhern, University of Pennsylvania, Philadelphia PA
2William Swahl, Colony Consulting, Woolwich Township, NJ
3Francis M. Walton, NDI Engineering Co., Thorofare NJ
4Thomas U. Siegenthaler, RADM USN (Ret.), NDI Engineering Co.
5Joe Hare, Rhoads Industries Inc., Huntingdon Valley PA