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Management Team

Charles L. Goldsmith

Chuck Goldsmith received Bachelors and Masters Degrees in Electrical Engineering from the University of Arizona.  He received his Ph.D. degree from the University of Texas at Arlington. Since 1982, he has been involved in the design and development of microwave/millimeter-wave circuits and subsystems.  He has been employed by M/A COM, Texas Instruments, and was previously an Engineering Fellow at Raytheon Company.  Dr. Goldsmith formed MEMtronics Corporation in 2001, where he is currently pursuing business opportunities for RF MEMS in the commercial and defense markets.

Dr. Goldsmith has been developing RF MEMS devices and circuits since 1993, and is the inventor of the capacitive membrane RF MEMS switch.  He has spent the last decade dedicated to the development and application of this technology.   These activities include the innovation of switches, phase shifters, and tunable antennas for radar and satcom applications, as well as variable capacitors and tunable filters for microwave receiver front-ends.


Dr. Goldsmith has authored or co-authored over 50 publications on microwave circuits, photonics, and RF MEMS.  He is also inventor or co-inventor of nine granted and three pending patents in related fields.  He has been the guest editor for three “Special Issues on RF Applications of MEMS Technology” for the International Journal of RF and Microwave Computer-Aided Engineering (Wiley – 1999, 2001, and 2004).  Dr. Goldsmith is a Fellow of the IEEE (Microwave Theory & Techniques Society and Electron Device Society) and a member of Tau Beta Pi.  He has served as Chairman and Vice-Chairman of the IEEE LEOS Dallas Chapter, and currently serves on the IEEE MTT Technical Coordinating Committee (TCC-21) on RF MEMS.

David Bettler
Vice President Operations

David Bettler Vice President Operations MEMtronicsDave Bettler received a Bachelors Degree  in Mechanical Engineering from Southern Methodist University. He has almost 40 years of engineering, program management, and business development experience in the execution of DoD military radar and transmitter programs. He was previously employed by Texas Instruments, Raytheon Company, and Continental Electronics. He has experience in design, product support, program management, product market development, supply management and strategic sourcing. He has also actively promoted business development, effectively marketing products and transferring technology to domestic and international customers. He has led strategic supplier initiatives to reduce material costs, deliver products on time, and meet revenue forecasts and sales projections.

Mr. Bettler helped found MEMtronics in August 2002 as VP of Operations to oversee business development, corporate finance, and government contract execution. Mr. Bettler also serves as program manager for in-house programs at MEMtronics, ensuring timely execution and proper financial control.

Sean O'Brien
Vice President Process Engineering

Sean O'Brien received his PhD from Rice University in 1988 where he discovered buckyballs (C60) and the fullerenes working with Nobel Laureates Rick Smalley, Bob Curl, and Harry Kroto. He received a Bachelors Degree with honors in chemistry from the University of Illinois in 1984. Dr. O’Brien spent 18 years at Texas Instruments in CMOS R&D establishing mature production processes in nanoscale contamination control, wet chemical processing, nanometer scale photolithography, and resolution enhancement technology. At TI he was elected Senior Member Technical Staff for successfully moving surface preparation processing into high volume manufacturing. Dr. O’Brien currently oversees the development and manufacturing of MEMS technology at MEMtronics. He has published 22 journal papers on topics of fullerene chemistry, molecular dynamics, and semiconductor processing. He has 12 proceedings papers, and 41 internal TI Technical reports. He has been awarded 12 patents with 5 more pending.

   Derek Scarbrough
   RF/Microwave Design Engineer

Derek Scarbrough received his Bachelors and Masters Degrees in Electrical Engineering from the University of Texas at Dallas.  He was previously employed at Systimax, and is currently an RF/Microwave Design Engineer at MEMtronics.  Mr. Scarbrough has extensive experience with finite element modeling and method-of-moments based electromagnetic structure simulators.  At MEMtronics his specialty is state-of-the-art device and circuit design utilizing MEMS switches.  Most of his work has focused on the development of Ka-band, MEMS-based phase shifters, Ka-band tunable filters, and high-performance micromachined filters at lower microwave frequencies.  Mr. Scarbrough is a member of the IEEE and has authored or co-authored eight publications in related fields..

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