• Intro
  • Global Presence
  • About
  • Numbers
  • Subsidiaries
  • Leadership

High-Performance Bespoke
Electronic Technology for

Mission Critical Applications

A global provider of high-quality, ultra-reliable electronics for Defense, Medical, Commercial and Industrial applications, Gresham Worldwide is steeped in history but operating in nascent emerging technology markets. We acquire, invest in, and build companies to deliver dynamic growth through high-tech, high-touch manufacturing serving the world’s most demanding customers.

With operations across 3 continents and unparalleled capabilities in RF, power and systems electronics for mission critical applications, Gresham Worldwide is uniquely positioned to design, develop and deliver custom, purpose-built solutions for operation under the most demanding conditions when failure is not an option. 

Our leading-edge technologies are on the forefront of applications such as NextGen RF threat emulation, Electronic Protect, Counter UAV Systems, RADAR, missile launch and medical device calibration, earning Gresham Worldwide the role of trusted supplier to defense ministries, defense contractors, and leading technology integrators worldwide.

Who We Are

An operating company, Gresham Worldwide utilizes synergies... READ MORE

Who We Are

An operating company, Gresham Worldwide utilizes synergies across subsidiaries in the U.S., U.K. and Israel, to design, engineer, manufacture, integrate and maintain bespoke electronics and solutions for customers around the world.

Whom We Serve

Gresham Worldwide has built long-term relationships... READ MORE

Whom We Serve

Gresham Worldwide has built long-term relationships with the leading corporations in the Defense, Industrial and Medical markets. Our customers include the US Department of Defense, BAE Systems, Lockheed, Raytheon, Boeing, Saab, Johnson & Johnson and IAI.


Gresham Worldwide maintains design competencies across all relevant ... READ MORE


Gresham Worldwide maintains design competencies across all relevant global compliance standards including MIL-STD, RTCA, NAVSO, STANAG (Europe), DEF-STANS (U.K.) and IEC. Gresham Worldwide's manufacturing operations hold ISO 9001:2015, ITAR and AS9100D quality certifications in addition to clean room and national security clearance manufacturing capabilities.

Strategic Growth

Gresham Worldwide is founded upon, and fueled by... READ MORE

Strategic Growth

Gresham Worldwide is founded upon, and fueled by, complementary strategies of accelerating organic growth and acquiring like companies that serve our target markets with bespoke electronics solutions. Adding and investing in technology providers serving our core markets, Gresham strives to accelerate sustainable growth and unlock synergies across our operating subsidiaries to better serve our customers.

Gresham Worldwide – At a Glance


Number of countries whose navies rely on technology from Gresham Worldwide


Combined years of experience among Gresham Worldwide’s operating subsidiaries


RF devices designed, manufactured and supplied by Gresham Worldwide


Sample MTBF hours on Gresham Worldwide RF product design


Number of continents on which Gresham Worldwide operates facilities and serves customers

Gresham Worldwide Operating Subsidiaries

Gresham Micro

Created through the combination of Microphase Corporation and Microsource, Inc., Gresham Micro is a pioneer in the market for advanced radio frequency (RF), millimeter wave and microwave components and filter technology, Digital Log Video Amplifiers and integrated RF assemblies used by the US Department of Defense and global defense contractors. With expertise across a myriad of filter construction types, Gresham Micro’s bespoke RF solutions are used in signal generation, radar warning, electronic warfare, C4ISR, and video applications for both new and sustainment programs.

  • Deep domain expertise in filter construction approaches, including YIG oscillator, lumped element and cavity, to support tailored designs and system performance
  • Substantial design and integration capabilities to bundle RF filter technology, power circuitry, and enclosure systems for use in harsh environments

Visit the Microphase Corporation website

Visit the Microsource website


Providing advanced testing, measurement and simulation capabilities for Electromagnetic Warfare Support and Radar Test Applications, Giga-tronics technology has been helping to solve the world’s next generation Radar and Electronic Warfare challenges for over 40 years. Our state-of-the-art portfolio includes Real-Time Synthesizers, Real-Time Threat Emulation Systems, and Multi-Channel Capture, Record and Playback Systems for open-air range and laboratory applications.

Visit the Giga-Tronics website

Enertec Systems
Karmiel, Israel

For over thirty years, Enertec Systems has provided design, engineering, manufacturing and systems integration of turnkey electronic solutions for the defense and medical industries. Experts in automated test, missile launch, electronic warfare, C4ISR and medical device applications, Enertec’s deep subject matter knowledge and thorough understanding of Systems Under Test (SUT) make us a trusted partner for defence ministries worldwide.

  • One of the industry’s broadest portfolios of existing test equipment sub-system designs, allowing for timely and cost-effective tailoring to meet customer needs
  • Full complement of in-house design capabilities including, but not limited to, software; firmware and hardware for electronic circuits; I/O, communications, data-link and power supply circuitry; FPGAs and wireless

Visit the Enertec Systems website

RELEC Electronics, Ltd.
Wareham, U.K.

Full line distributor of top-tier power electronics and display solutions for mission-critical applications for the rail, industrial, medical, telecom and defense markets.

Visit the RELEC Electronics website

Gresham Power Electronics
Salisbury, U.K.

Leading provider of bespoke power conversion and medium voltage electrical systems for military marine and land-based defense markets as well as rail, industrial and medical applications.

Unparalleled subject matter knowledge of shipboard electrical systems with focus on novel electrical design approaches marrying power supply units, power switching circuit designs, battery back-ups and uninterruptable power systems to customer applications.

Visit the Gresham Power Electronics website

Leadership Team

Jonathan “J.R.” Read,
Chief Executive Officer

A proven leader and CEO with experience running global business operations, J.R. has extensive expertise in M&A, financing, public company management, and licensing. He has served as Chairman and/or CEO of ECOtality, TeraForge Ventures, Quadratum 1, and Shakey’s International among others and presently serves as a Director for TeraForge. Mr. Read attended Claremont McKenna College.

Robin Shaffer,
Chief Operating Officer

An experienced technology executive, Robin has held executive management roles within a variety of organizations ranging from Fortune 100 to venture-back start-ups including Johnson Controls, Eaton Corporation, ClearEdge Power, Zeus Wireless, Sunverge and Align Infrastructure. His 35-year experience spans multiple technical sectors including sensors and automation, wireless, energy (including renewables, storage and distributed generation), automated material handling, engineered polymers and HVAC. He holds a BSEnvE from Cal Poly SLO and an MBA from Marquette University.

Sean Lyle,
Chief Development Officer

Sean has over 20 years of management experience in technical industries including Software, Energy and Agribusiness and most recently served as President & CEO of PowerGrow, Inc. and of Energy Surety Partners. He has held senior development roles with Solon, Siemens and Statera, and he is a LEED AP and member of BENS (Business Executives for National Security). Sean earned a BS in Business Administration from the University of Wyoming.

Lutz Henckels

Lutz P. Henckels,
Chief Financial Officer

Dr. Henckels has over 40 years’ experience in executive management providing leadership, insight, and perspective on strategy and business-related matters. He most recently served as CFO of Giga-tronics and his prior roles included technology companies such as Hi-Q Solar, SyntheSys Research (acquired by Tektronix/Danaher), and publicly traded companies LeCroy Corporation (LCRY), and HHB Systems (HHBX) both of which Dr. Henckels took public on Nasdaq. Dr. Henckels is a recipient of the John Fluke Sr. Memorial Award; he holds a Bachelor of Science and Master of Science in Electrical Engineering and PhD in Computer Science from the Massachusetts Institute of Technology.

A Message from Our CEO

World Class Technology Solutions

Mission Driven, Purpose Built. Our slogan is woven into everything we do as a company. Gresham Worldwide companies deliver solutions tailored and selected to enable mission critical applications for customers in defense, aerospace, medical, and transportation sectors . With operations on three continents, Gresham Worldwide serves the most respected and demanding customers in countries around the world.

Customers rely on Gresham Worldwide to solve the toughest problems when electronics must perform at the highest level under the harshest of conditions. From components to subsystems to complete turnkey solutions, Gresham Worldwide takes a “high touch” approach to “high tech” with an intense focus on quality to overcome the challenges of meeting the unique needs of every customer.

Focused on meeting company commitments to customers, supply chain partners, employees, and investors, Gresham Worldwide considers doing the right thing as good business always. We strive to deliver intrinsic value and real results every day. The Gresham management team concentrates on attracting, developing and retaining the most talented and dedicated workforce possible. We also look to partner with the most innovative companies who share our commitment to quality and customer service.
Gresham Worldwide strives to lead

World Class Technology Solutions with innovation, precision and lasting value to provide premier solutions and key applications for a better world. This includes missile defense, automated test, electronic countermeasures, radio frequency and electromagnetic spectrum superiority and fail safe power. We continuously develop the next generation of technology solutions needed for customers like you; to address the increasing challenges that confront our customers all around the world.

Jonathan Read

Chief Executive Officer