Leadership Team
Our leadership team is comprised of experienced professionals whose diverse experience enables them to address the technical and business challenges inherent in maintaining and extending the life of critical infrastructure. Working alongside our talented employees and trusted partners, the team is dedicated to providing high quality services and developing innovative solutions that deliver exceptional value to our clients, both here in the United States and around the globe.
Contact UsOur Team
Profiles for each member of our leadership team, including their backgrounds and how they each contribute to FDH’s mission.
Greg McCray Chief Executive Officer
Greg McCray Chief Executive Officer
Greg McCray brings to FDH Infrastructure Services 30 years of business, marketing, sales, engineering, operations, M&A, management, and international experience in the communications technology industry. As CEO of FDH, Mr. McCray drives the company’s engineering and scientific mission, and provides strategic oversight for the company’s growth and expansion into critical infrastructure markets. His previous experience includes chief executive roles at Access/Google Fiber, Aero Communications, Inc., Antenova Limited, and PipingHot Networks. He served as Senior Vice President for Lucent Technologies’ customer operations in Europe, the Middle East, and Africa, and also led Lucent’s sales operations for the Eastern United States. He held previous engineering and managerial roles at AT&T, Bell Laboratories, and IBM. Mr.
McCray currently serves on the Board of Directors for ADTRAN (NASDQ:ADTN), where he sits on the Audit and Compensation Committees, and DigitalBridge (NYSE:DBRG), where he’s a member of the Compensation and Nominating & Corporate Governance Committees. Previously, he served on the Board of Directors for CenturyLink, Inc., now Lumen Technologies, Inc. (NYSE:LUMN), where he was chairman of the Cyber Security & Risk Committee, and a member of the Compensation Committee and the Nominating & Corporate Governance Committee.
Joined FDH: 2018
Education:
Iowa State University (B.S. Computer Engineering)
Purdue University (M.S. Industrial and Systems Engineering)
Executive Business Programs at the University of Illinois, Harvard, and INSEAD
Dennis Abel, PE Vice President of Structural Health Monitoring
Dennis Abel, PE Vice President of Structural Health Monitoring
Dennis Abel, PE, leads the Structural Health Monitoring division at FDH Infrastructure Services. This team designs and uses structural health monitoring (SHM) systems to assess the health of critical infrastructure through data and engineering analysis to help owners and operators make important decisions about their assets. Prior to his role as Vice President, Mr. Abel directed FDH’s structural engineering department, overseeing operations, systems development, and quality management.
He has worked in the telecommunications tower industry for more than 20 years, focusing on the design and analysis of towers, tower reinforcement systems, tower appurtenances, rooftop structures, and foundations, and the development of engineering systems at companies such as Aero Solutions, Nello Corporation and Valmont. Mr. Abel is a member of the TIA TR14 Committee, which writes the TIA-222 tower design standard. He currently chairs the Guy Assemblies ad hoc group, revising several sections for the next version of the TIA-222 standard. He has also served as Vice Chair of the Existing Structures group and has participated on several other groups including those dealing with Small Wind Turbine Towers and the Mount to Tower Interaction. Mr. Abel is a licensed professional engineer in 43 states and a regular contributing author to industry publications on structural standards.
Joined FDH: 2013
Education:
Purdue University (B.S. in Civil Engineering)
Nuala Cullinane Vice President of Human Resources
Nuala Cullinane Vice President of Human Resources
Nuala Cullinane, SHRM-SCP, directs human resources initiatives for the entire FDH organization bringing deep experience partnering with company leadership to develop and implement human capital strategies that drive measurable business improvements. She serves as a strategic partner to the leadership team by aligning HR goals with business strategy. Ms. Cullinane brings exceptional functional experience in culture improvement, strategy and change management, employee relations, diversity & inclusion, engagement, HR business partnering, learning & development, talent acquisition and retention, HR operations, compliance and benefits, performance, and compensation administration to FDH.
Her diverse and flexible business perspective is gained from working in a wide variety of business entities, including start-up businesses (GHX Industrial, First Wave Marine), private equity enterprises, and Fortune 500 corporations (Air Liquide, Lockheed Martin, Sumitomo Corp).
Joined FDH: 2020
Education:
University of Delaware (B.A. in Psychology)
Steven’s Institute of Technology (M.S. in Industrial and Organizational Psychology)
SHRM Senior Certified Professional (SHRM-SCP)
Gregg Fehrman, PE Vice President of Broadcast Services
Gregg Fehrman, PE Vice President of Broadcast Services
Gregg Fehrman, PE, provides oversight for all field operations at Stainless, the broadcast division of FDH Infrastructure Services. This includes engineering investigations as well as above-grade and below-grade services for broadcast towers. Mr. Fehrman is focused on providing the safest and most economical field solutions, customized to meet each client’s specific needs while safeguarding the high level of quality that past, present, and future clients expect from this historic organization.
Mr. Fehrman joined Stainless, the broadcast division of FDH, as an engineer-in-training shortly after graduating. Under the tutelage of great mentors and alongside a dedicated team, he accepted greater responsibility in the roles of Senior Structural Engineer, Assistant Chief Engineer, Chief Engineer, and eventually President of Stainless, LLC before it became part of FDH. Mr. Fehrman is a licensed professional engineer and a member of TIA, AISC, ASCE, AISC, ACI, and NCEES.
Joined FDH: 1993
Education:
Lehigh University (B.S. Civil Engineering, Structural Engineering)
Krystyn Perez, PE Vice President of Engineering Services, Federal
Krystyn Perez, PE Vice President of Engineering Services, Federal
Krystyn Perez, PE, provides oversight of the Telecommunications and Federal groups at FDH. The Telecommunications group provides Civil Engineering, Structural Engineering, and AE Services for site development and structural analysis of telecommunications tower sites, as well as expert consulting for tower portfolio management. The Federal group utilizes FDH’s history of non-destructive testing and engineering expertise and innovation to provide probabilistic analysis for critical federal infrastructure.
Ms. Perez began at FDH more than a decade ago as the company experienced tremendous growth in the telecommunications market. Ms. Perez rose through the ranks in FDH’s structural engineering division, from project engineer to vice president, and has earned a distinguished reputation for her outstanding service to clients who depend on FDH for reliable engineering and construction services. Reporting directly to the CEO, Ms. Perez ensures that innovations in business practices and new quality standards are efficiently integrated throughout the engineering division. Ms. Perez is a licensed professional engineer in 13 states and a member of the Women in Wireless Leadership Forum and the Society of Women Engineers.
Joined FDH: 2007
Education:
University of Colorado at Boulder (B.S. in Mechanical Engineering)
University of Colorado at Boulder (M.S. in Materials Science)
Amir Rakha Vice President of Research & Innovation
Amir Rakha Vice President of Research & Innovation
Amir Rakha is well regarded as an exceptional business strategist with a track record for growing technology companies in challenging markets. As Vice President of Research & Innovation, Mr. Rakha is expanding FDH’s nondestructive testing business and leveraging the company’s proprietary technology into new markets through strategic partnerships and licensing.
He brings more than two decades of executive leadership experience in the software technology and infrastructure industries with such companies as Navtech, Inc., Aha! Software, and Antenova Limited, and he has negotiated key partnerships while serving as a Partner Executive to Hewlett Packard / Hewlett Packard Enterprise / DXC Technology.
Joined FDH: 2018
Education:
Iowa State University (B.S. Computer Science)
Nick Trainor Vice President of Product Development
Nick Trainor Vice President of Product Development
Nick Trainor leads the Product Development efforts at FDH Infrastructure Services. He provides oversight for Software and Hardware Development, Project Management, Systems Test and New Product Introduction. Mr. Trainor is spearheading the development of connected NDT products for FDH, as the company accelerates its transformation to a Products & Services leader in the Infrastructure Industry.
Mr. Trainor brings more than 25 years of engineering experience in the electronics industry, including 17 years with SONY Electronics (Pittsburgh, PA). He most recently served as Vice President R&D with LMG Holdings (Morrisville, NC), developing connected products for alcohol monitoring in the Public Safety Industry. Prior to LMG, as Director of Product Development with SENSUS (Raleigh, NC), he headed development for the residential and commercial NA Water Meter division. Mr. Trainor is a Six-Sigma greenbelt with broad expertise in Product Development, LEAN Manufacturing, Quality Systems and Supply Chain Management.
Joined FDH: 2021
Education:
Queen’s University of Belfast, N. Ireland (B.S. Electronic Engineering)
University of Pittsburgh (M.S. Electrical Engineering)
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