Executive Staff

Linda D. Mandel, SPHR

Chief Executive Officer and Chief Operating Officer

Ms. Mandel has over thirty (30) years of Human Resources and senior management experience, with twenty (20) years of experience in government contracting, specifically Department of Defense. Prior to joining PowerHouse Resources International, Inc. (PHRI), Ms. Mandel served as the Director of Human Resources for L-3 Communications - Contract Field Services.   In this capacity, Ms. Mandel led the team that managed Human Resources, Recruiting, Benefits, Security, Workers’ Compensation and Training for up to 5,000 employees world-wide. Additionally, Ms. Mandel has held management roles with other large DoD contractors. Ms. Mandel is considered to be an industry expert managing and overseeing Service Contract Act (SCA) Programs. She is a strategic business partner facilitating business development and operations management. She also has extensive experience negotiating and managing labor contracts. Throughout her career, Ms. Mandel’s success can be attributed to her understanding of the business and the customer, her human resource management expertise and her remarkable leadership skills.

Davin C. Watson


Mr. Watson holds a Master's degree in Human Relations from the University of Oklahoma and brings both an academic and entrepreneurial spirit to PHRI. Mr. Watson was instrumental in starting PHRI in 2010 as a Human Resources and Financial consulting firm specializing in Service Contract Act consulting to DoD contractors and commercial aviation companies. In 2011, based on the professional expertise of PHRI’s key management team, Ms. Mandel and Mr. Watson changed the Company’s primary business activity, and began pursuing DoD contracting opportunities.

Juan Velez, Jr.

Director of Operations

Mr. Velez possesses more than thirty (30) years of Department of Defense (DoD) contracting experience, including more than fifteen (15) years of Senior Program Management experience managing Army, Air Force, Navy and Marine Aviation and Vehicle maintenance programs world-wide and over three (3) years as a Director of Operations/Business Development. Juan is an industry Contract Field Teams (CFT) expert. Prior to joining PHRI, he held key management positions with M2 Services Corporation, L-3 Communications Contract Field Services, and other large DoD contractors. Recently, Juan served as the Director of Operations accountable for day-to-day site management, along with Director of Business Development responsibilities where he was successful in procuring numerous contract awards. Juan’s expertise is strategic in positioning PowerHouse Resources as a key small business solution within the DoD contracting arena.

Patricia Stover

Director of Finance

Ms. Stover has more than thirty (30) years of Financial experience, with over twenty (20) years of experience in government contracting. She has successfully managed all accounting and financial functions for global, Department of Defense, and Service Contract Act contractors. Prior to joining PHRI, Ms. Stover served as the Accounting Manager for L-3 Communications - Contract Field Services. Additionally, Ms. Stover has extensive DoD accounting and management experience working with other large DoD contractors.

Hayley Frazier, SPHR

Director of Human Resources, SPHR

Ms. Frazier has more than nineteen (19) years of experience managing Human Resources functions for small to large organizations, including start-up organizations and international businesses. She has more than nine (9) years of SCA government contracting experience. She is also well-versed negotiating and managing labor contracts. Prior to joining PHRI, Ms. Frazier served as the Human Resources Manager for L-3 Communications - Contract Field Services.