NSI-MI Technologies' Leadership Team coordinates the Company's various business interests to create and maintain the very best interaction possible with our customers. This team strives to make certain the utmost attention is paid to industry advances that assure our solutions are cost effective and compliant with the needs of our customers.

  • John Breyer
  • Charlie Smith
  • Jeff Fordham
  • John Hatzis
  • Mike Murphy
  • Dr. Daniël Janse van Rensburg
  • John Demas
  • John Ward
  • Stephen Blalock
  • Erica Rachu
  • Michael Shaw
  • John Breyer

    John Breyer

    President and CEO

    John E. Breyer is President and Chief Executive Officer of NSI-MI Technologies. The Company named John to the posts in 2016 after the Company was formed by merging NSI and MI Technologies. Prior to this assignment John was a founder and CEO of MI Technologies which purchased Scientific-Atlanta Inc.’s microwave instrumentation business. John has been associated with this business and industry since 1989.

    John's management career includes many years of service with The General Electric Company and Scientific-Atlanta, Inc. At the General Electric Company, he held a variety of technical and managerial positions ranging from systems engineering, program management and general management. He served as General Manager, Surface Ship Anti-Submarine Warfare programs from 1985 until 1987 when General Electric appointed him to the position of General Manager of GE's Undersea Systems business operating at $1B per year. John joined the staff of Scientific-Atlanta in 1989 and served as Senior Vice President and President of the Company's Instrumentation businesses. Prior to joining General Electric, John was a member of a research team at the University of Illinois doing research in acoustics and biomedicine.

    John is active in a number of industry and community service organizations. He presently serves as a Trustee for Syracuse University and, additionally, serves on the University's Executive Advisory Board for the College of Engineering and Computer Science. In the past, he served as a member of the Business Owners Council with Grant Thornton LLP. John served on the National Board of Directors of the American Electronics Association (AeA) now TechAmerica and in various positions in the Southeast Council of AeA. He also held national positions in the Electronic Industries Association, Government Division.

    John holds a Bachelor of Science Degree in Electrical Engineering from the University of Illinois. He furthered his education by taking numerous graduate courses at Cornell University and Syracuse University. He is also a graduate of the General Electric Company's Advanced Engineering and General Management Programs. He has published a number of articles and technical papers in the Acoustical Society Journal and other journals and magazines and has taught short courses on applications of signal and data processing when used with sensor technology and communications.

  • Charlie Smith

    Charlie Smith

    Executive Vice President CFO and Secretary

    Charles R. Smith, III is Executive Vice President and Chief Financial Officer of NSI-MI Technologies. He is a founding member and manager of MI Technologies, LLC, formed in 1997 to acquire the assets of Scientific-Atlanta, Inc.’s microwave instrumentation business.

    Prior to MI Technologies, Charlie served sixteen years with Scientific-Atlanta in various financial and managerial positions including Corporate Vice President and Treasurer, Group Chief Financial Officer and Vice President of various small business ventures. Prior to Scientific-Atlanta, Charlie spent several years working as a project engineer for Marathon Oil Company.

    Charlie is active in a number of industry and community service organizations. Past affiliations include the Financial Executive Institute, the Atlanta Treasury Management Association, where he served as president, TechAmerica (formerly AeA) and the Technology Association of Georgia (TAG). He is also an active member of several community organizations in the Atlanta area.

    Charlie holds a Bachelor of Civil Engineering degree from the Georgia Institute of Technology (Georgia Tech) and a Masters of Business Administration from Georgia State University. He also completed the Harvard School of Business’ Corporate Financial Management Program.

  • Jeff Fordham

    Jeff Fordham

    Vice-President, Advanced Antenna Systems

    Jeffrey A. Fordham is Vice-President, Advanced Antenna Systems of NSI-MI Technologies with responsibilities for existing antenna product sales and production and development of new antenna products. He also manages the Testing Services business area.

    Prior to this assignment, Jeff served MI Technologies as the Vice President, Near-Field Systems and Products, with responsibilities for new business capture and oversight of system orders and programs. Before moving into the business offices, he previously held the roles of Vice-President of Marketing and Vice President of Engineering for MI Technologies. NSI-MI was formed by the merger of NSI and MI Technologies in January of 2016.

    Jeff has years of experience in the design and evaluation of antennas and systems, working with such organizations as the Georgia Tech Research Institute’s Electromagnetic Environmental Effects Laboratory and EMS Technologies Inc., before joining Scientific-Atlanta Inc. in 1996 and subsequently MI Technologies after the company was formed in 1997.

    Jeff’s primary management and design experiences have been in the areas of spacecraft antennas, millimeter wave aircraft antennas, tracking and communication ground station systems, antenna measurement instrumentation, and electromagnetic analysis of radiating apertures and components.

    Jeff is active in a number of industry and community service organizations. He has been a member of the IEEE Antennas and Propagation Society and the Microwave Theory and Techniques Society since 1987. He also served as Chapter Chair for the Atlanta Chapter, Antennas and Propagation/Microwave Theory and Techniques Society in 2001. He is a member of the Antenna Measurements Techniques Association and served on the AMTA Board of Directors as the Host of the AMTA 2004 Symposium.

    Jeff holds a Master of Science Degree in Electrical Engineering and a Bachelor of Science Degree in Electrical Engineering, both from Georgia Institute of Technology.

  • John Hatzis

    John Hatzis

    Vice President

    John Hatzis is Vice-President for Customer Support and oversees all warranty and post-warranty support activities, upgrades, relocations and any other needs customers have to ensure their systems have the required reliability and fulfill their needs. John previously acted as Service Manager at Nearfield Systems, Inc.(NSI) overseeing the customer support activity and actively managed support contracts. John has more than 7 year of experience in the antenna test industry.

    Prior to joining NSI, John was Project Manager and later Sales & Marketing Manager at Selex Systems Integration, now Leonardo. During his career at Selex, John managed projects with a total value of over $60M encompassing delivery of over 30 METEOR weather radar systems for customers in Europe, Asia, and Africa. He oversaw the installation of large polarimetric weather radar networks in Italy and South Africa, providing radar coverage over the entire respective territory. He also managed the delivery of a weather radar network in in Switzerland, which included development of an innovative receiver-over-elevation (ROEL) receiver, which greatly improved radar performance. In 2012, John joined Nearfield Systems, Inc. (NSI) as a Project Manager and later took on the role as Service Manager.

    John earned a degree in Mechanical Engineering in 1998 from the University of Southern California. After graduating, John served as an officer in the United States Air Force, serving as an Air Battle Manager in operations that supported US and NATO forces in operations Southern Watch, Enduring Freedom, among others, in support of the Global War on Terror. In 2006, John earned a Masters Degree in Energy Systems from the Aachen University of Applied Science, in Aachen Germany. He is fluent in Italian, German and Greek.
  • Mike Murphy

    Mike Murphy

    Vice President, Sales

    Michael W. Murphy is Vice President of Sales for NSI-MI. Reporting to the Company President, Mike is responsible for providing the overall leadership and management of the Company's worldwide sales efforts. NSI-MI was formed by the merger of NSI and MI Technologies in January of 2016. Prior to the merger, Mike was Vice President of Sales for MI Technologies, having been appointed to that position in 2005 after serving as Vice President and Business Manager of the Commercial and Communications business area. Mike joined NSI-MI in 1999 as Director, Customer Support.

    Mike’s management career includes over twenty years of service with The Boeing Company and Rockwell International. His most recent position with Boeing was Phantom Works Site Director and Programs Manager, Advanced Systems at the Military Aircraft and Missiles site in Duluth, Georgia. He also served on the Boeing company-wide Phantom Works Strategic Management Council. Prior to Boeing’s 1996 acquisition of the Space and Defense businesses of Rockwell International, Mike was Business Development Director for Rockwell’s Tactical Missiles business. During this time he also served on the Rockwell company-wide Strategy Council for High Speed Flight Technology. His service at the Tactical Missiles business unit also included tenure as Program Manager and Operations Project Manager.

    Over his career, Mike has been active in a number of industry and professional organizations, including the National Management Association, the Air Force Association, the Army Aviation Association, the Precision Strike Association, the Navy League, and the Antenna Measurement and Techniques Association.

    Mike holds a Master of Business Administration Degree in Business and Operations management from the Ohio State University, and a Bachelor of Business Administration Degree in Management from the University of Notre Dame.

  • Dr. Daniël Janse van Rensburg

    Dr. Daniël Janse van Rensburg

    Sr VP & CTO: Far-Field Systems and Products Business Unit

    Daniël Janse van Rensburg manages the Far-field and Products Business Unit. He is responsible for all far-field, compact range, radome, RCS and target simulation systems at NSI-MI. He was named to this position in November 2020 after a successful tenure as Sr VP of Instrumentation and Test Applications. Daniël brings over thirty years of experience in the RF test and measurement industry. During this time he conducted research and development of new test methodologies, worked as antenna and RCS test range operator, installed and commissioned test systems world-wide, managed test applications, led sales and marketing efforts and did domestic and international business development.

    He is a graduate of the University of Pretoria, South Africa where he earned a PhD in Computational Electromagnetics. Starting his career in the world of computational methods, antenna placement and scattering analysis, he migrated to the measurement domain where he conducted research on compact range systems and microwave imaging techniques. He joined the Canadian Space Agency as Research Engineer in 1994 where he was immersed in near-field test technology in support of various space programs. He moved to COMDEV (now Honeywell) in Cambridge, ON, Canada in 1996 where he was responsible for production near-field testing on the first Iridium program. He joined NSI in 1998 as Applications Engineer and assumed the role of Sales Manager in 2006. Upon NSI merging with MI Technologies in 2016, he was named CTO of NSI-MI Technologies.

    He is a Licensed Professional Engineer in Ontario, Canada and Fellow of the Antenna Measurement Techniques Association (AMTA). He was the recipient of the AMTA Distinguished Achievement Award in 2015 for his contributions to near-field technology. He remains actively involved in academia and was appointed Adjunct Professor in the School of Information Technology and Engineering (SITE), University of Ottawa, Ottawa, ON, Canada in 2005 and continues to provide post graduate student supervision there. He is the author of more than 80 journal and conference papers; regularly contributes to industry courses on antenna test technology; and is co-author of the IET text: Theory & Practice of Modern Antenna Range Measurements.

  • John Demas

    John Demas

    Senior Vice President, Near-Field Business Unit

    John Demas is Senior Vice-President, and manages the Near Field Business Unit. John is based in the Torrance, CA office and oversees the near field antenna measurement business activities. Prior to this assignment, John was the Vice President of Operations for Nearfield Systems, Inc (NSI) located in Torrance, CA, and managed all manufacturing, development, engineering and program related activities. John joined NSI in 1995 as the Sales and Marketing Manager overseeing the Company’s marketing activity and sales organization until 2001 when he took on the role of VP, Operations. John has more than 39 years of experience in the Antenna and RCS test industry.

    Prior to joining NSI, John was the Manager for the Antenna Test Division of Flam & Russell, Inc. (FR). During his career at FR, John developed the hardware interfaces for the ADAM 8001 antenna measurement system, was project manager for the development of the ADAM 8002 and ADAM 8003 RCS and Antenna measurement systems; the first system to use the HP8510 vector network analyzer for automated antenna and RCS measurements. John led the development team for the FR959 Antenna Measurement system, the first Windows based system in the industry, introduced in Monterey, CA in 1989. He also developed or managed numerous FR products including the FR8502 Positioner Programmer and FR8105B and FR8205 Pulse Modulators for gated-CW RCS measurements. In 1995 John joined Nearfield Systems, Inc. (NSI) as the Sales Manager and later took on the role as Manager of the Antenna Test Division.

    John Demas earned a degree in Electrical Engineering with a minor in Economics in 1978 from Lehigh University in Bethlehem, PA. After graduating, John worked for Leeds and Northrup in North Wales, PA as a field service engineer and later as a systems designer for large scale SCADA and process control systems. In 1981, John joined Flam & Russell, Inc. (FR) in Horsham, PA as a systems designer and started his career in antenna measurements. He became a member of AMTA in 1982 has been a member ever since. He has published numerous technical papers and served on various committees. He served on the Board of Directors as Vice President in 2015. John also is a member of the IEEE.

  • John Ward

    John Ward

    Vice President

    John M. Ward is the Vice President at NSI-MI responsible for Operations, which includes manufacturing engineering, procurement, fabrication, machining, assembly and wiring of standard products, reflectors, antennas and measurement systems. He has held this position since 2009. John joined the company in April 2007 as the Manager of Mechanical Engineering, a position where he was responsible for all of the company’s mechanical product design, analysis, documentation, and testing. NSI-MI was formed by the merger of NSI and MI Technologies in January of 2016.

    Prior to joining MI Technologies, John held design, operations and sales positions of increasing responsibility in both Defense and Commercial Product industries. The design positions included the electromechanical design and analysis of RF systems, quality control instrumentation and power transmission systems. His project management experience includes managing aerospace antenna systems projects, marine power transmission product launches, overseas manufacturing startups and overseas construction and system installation projects. His technical leadership responsibilities have included mechanical engineering groups responsible for the design, analysis, and testing of products including flight hardware, very high pressure hydraulic equipment, and precision rotary and linear positioning equipment. John’s operations experience includes positions from manufacturing engineer to general manager of a marine power transmission facility operating at $150M in sales per year. His technical sales experience includes positions as a business development manager and sales manager. In the 22 years prior to joining MI Technologies, John held these positions at such high technology companies as EMS Technologies (now Honeywell), Micromeritics, Northrop Grumman and Bombardier.

    John is active in industry and community service organizations. He has previously served as a member of the board of Industrial Opportunities, Inc., a non-profit organization serving adults with disabilities in Southwestern North Carolina. He is an active volunteer in his home community and has served as president of his homeowner’s association.

    John holds a Bachelor of Mechanical Engineering Degree and a Master of Science Degree in Mechanical Engineering from the Georgia Institute of Technology. John is a Professional Engineer registered in the state of Georgia. He holds a patent for his work in the development of particle size measurement techniques and instrumentation. He is a Six Sigma green belt and has attended classes in Toyota Production Systems at the Toyota facilities in Japan.

  • Stephen Blalock

    Stephen Blalock

    Vice President

    Mr. Blalock is Vice President, Engineering at NSI-MI Technologies. In this role, he oversees all engineering activity for the development of sophisticated measurement systems. The company’s engineering department is responsible for the design, integration, verification, and deployment of advanced microwave measurement systems used for characterizing antennas, radomes and other devices from UHF to millimeter wave frequencies. Mr. Blalock is responsible for the electrical, mechanical, software and systems engineering activity needed to bring these systems to market.

    He has more than 20 years of experience in antenna, radar signature, and materials characterization using a variety of test systems including compact range, free space and resonant cavity materials measurement apparatus, image plane antenna range, near-field and far-field antenna ranges. In addition to system development and operation, he lectures for short courses in the area of Radar Cross Section Measurement methods. Previously, he lectured for a Radar Cross Section Reduction short course for 12 years and developed a hands-on compact range laboratory as part of the capstone to the short course.

    Mr. Blalock is a vetted reviewer for the National Radar Cross Section Measurement Facility Certification program. This national level program consists of national experts who review and certify the nation’s premier radar signature measurement ranges.

    Mr. Blalock holds a Master’s degree in Applied Systems Engineering from the Georgia Institute of Technology as well as a Master’s degree in Electrical Engineering Technology from the Southern Polytechnic State University.

  • Erica Rachu

    Erica Rachu

    Vice President, Human Resources

    Erica Rachu joined NSI-MI in May 2013 and is currently Vice President of Human Resources. She moved into her present position in November 2018 and is responsible for the human resources function. Prior to joining the company, Erica worked at Titus, Inc. (now CliftonLarsonAllen) in Milwaukee, WI, MetraTech (now Ericsson) and Hebrew SeniorLife (HSL) in Boston, MA. At Titus and MetraTech, she was involved with all aspects of human resources from on-boarding to exit interviews, including payroll. At HSL, she was involved in the strategic planning and day-to-day assignments within the Employee Benefits Group of the Human Resources Department. She is experienced with all aspects of human resources such as employee relations, compensation, on-boarding, employee engagement, recruiting, employee benefits – health/welfare to retirement and payroll. Additionally, Erica is dedicated to establishing positive relationships with staff members and utilizing keen attention to detail to produce high-quality work.

    Erica is an active member of Foothills of Georgia SHRM (Society for Human Resource Management), where she has held Board of Directors’ positions of President and Certification Chair. While in the President role, she was also a voting member of the Georgia State SHRM Council. She is also an active member of SHRM National. SHRM is the world’s largest HR professional society (300,000 members), which provides resources for HR professionals and advances the practice.

    Erica holds a Bachelor of Business Administration in Human Resource Management from the University of Wisconsin at Whitewater in Wisconsin. She also has two professional certifications: Professional in Human Resources (PHR) from the HR Certification Institute and SHRM-Certified Professional (SHRM-CP) from the Society for Human Resource Management.

  • Michael Shaw

    Michael Shaw

    Director, Standard Products

    Michael Shaw joined NSI-MI Technologies in December 2019 as the Director of Standard Products. In this position, he is responsible for the relevance, life cycle management, and forecasting oversight of all electronic instrumentation and mechanical positioner products. In his 30-year career prior to this assignment, he held a broad range of technology positions including most recently Vice President of Marketing and Product at DASAN Zhone Solutions.

    Early in his professional career, he directed several field trials for Nortel Networks’ most prestigious Bell Operating Company customers. Michael would later go on to lead the Nortel Networks’ European Sales Engineering teams and Access System Engineering Lab. There, his organization supported all global long-haul fiber, microwave, cable media, copper internet access, and voice product requirements outside the UK and North America.

    He eventually served as chair of a taskforce commissioned by Nortel Network’s President of Global Operations, where he was responsible for improving worldwide professional service cash collection performance. More recently, Michael joined DASAN Zhone Solutions where he led a product organization that provided global fiber-based technology solutions for telecom carrier, business, and mission-critical power utility customers.

    Michael holds a Bachelor of Science degree in Electrical Engineering from Georgia Tech, is a recipient of the Nortel Networks’ President’s Award of Excellence and its Chairman’s Award, and is a member of the IEEE Microwave Theory and Techniques Society and the Antenna Measurement Techniques Association (AMTA).


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