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Principal Technologist, Meinberg USA

Douglas Arnold

Dr. Douglas Arnold has over 15 years experience developing precise time and frequency equipment. He is currently a Principal Technologist with Meinberg USA. He is a Co-Chair of the IEEE 1588 Working Group, and a Co-Chair of the ISPCS IEEE 1588 Plugfest Committee. He holds a Ph.D. in Electrical Engineering from the University of Illinois.

CTO, Jolata, Inc.

Charles Barry

Dr. Barry is startup veteran with over 30 years in the telecommunications industry and is a recognized innovator in IP networking and network synchronization. Charles has been a principal or founder of four startup companies since 1994.


Dr. Barry holds a Ph.D. and a MSEE from Stanford, a B.S. in Physics from MIT and has co-authored more than 20 patents.

Market Segment Leader, Spirent Communications

Guy Buesnel

Guy has more than 16 years’ experience working protecting GNSS Receivers from emerging threats, having started his career as a Systems Engineer involved in developing GPS Adaptive Antenna Systems for Military Users at Raytheon Systems Limited in the UK.


In 2007, Guy became European GNSS Product Line Manager at Rockwell Collins UK, responsible for UK and European GNSS Development activities, before moving to the Satellite Applications Catapult in June 2013 as Principal Satellite Navigation Systems Architect.


In May 2014, Guy joined Spirent as Market Segment Leader–GNSS Robust Positioning Navigation and Timing. Guy is responsible for developing Spirent’s approaches to Robust PNT including the development of test solutions for GNSS Jamming, Spoofing and Cyber-attack.


Guy is a Chartered Physicist, a Member of the Institute of Physics and an Associate Fellow of the Royal Institute of Navigation. Guy is also a keen blues guitarist.

Senior Engineer, Booz Allen Hamilton

Mike Calabro

Mr. Michael Calabro is a technical leader in Booz Allen Hamilton, and a subject matter expert in digital communications and software defined radios. Within Booz Allen, he directs ongoing research and development in remote platform access, custom wireless communications solutions, and assured precision timing. He consults on wireless/RF security and assured position, navigation, and timing solutions to government and commercial clients, and has presented at security conferences on the topic of wireless exploitation of commercial platforms. Mr. Calabro holds a B.S. degree in electrical and computer engineering from Worcester Polytechnic Institute, and an M.S. degree in electrical engineering from the University of Southern California.

Senior RF Hardware Systems Engineer, Satelles

Stewart Cobb

Dr. Stewart Cobb is the Senior RF Hardware Systems Engineer for Satelles. Stu joined iKare Corporation in 2011 and brings a wealth of expertise and hands-on experience in designing, building, and testing GNSS and other RF hardware receivers.

After earning his undergraduate degree from MIT in Aero/Astro Engineering (Avionics), Stu served six years as an Air Force officer, working with the Space Shuttle at NASA and with experimental spacecraft in Los Angeles. During his military service, he earned an M.S. in Systems Management from USC. He then returned to school full-time, earning M.S. and Ph.D. degrees in Aeronautics and Astronautics at Stanford University. His dissertation demonstrated that inexpensive ground-based GPS transmitters ("pseudolites") could be used to navigate aircraft with centimeter-level accuracy and "nine nines" integrity (less than one chance in a billion of an undetected failure).

Stu helped found IntegriNautics (now Novariant) to commercialize this technology. He led the design team for four generations of pseudolites and five generations of GPS and GNSS receivers, intended for precision guidance of aerospace and ground vehicles. One pseudolite system he developed was sold to Trimble Navigation and is now part of their Mining Solutions product line.

Senior Technologist, Microsemi, Corp.

Lee Cosart

Lee Cosart is a Senior Technologist with Microsemi. A graduate of Stanford University, his R&D activities have included measurement algorithms and mathematical analysis for which he holds several patents. He serves on, as chair, contributor and editor, the ATIS and ITU-T committees responsible for network synchronization standardization. His TimeMonitor software is used to collect and analyze synchronization and packet timing data and has been used in laboratories and networks throughout the world.

Managing Director, Chronos Technology

Charles Curry

Charles Curry is a Fellow of the Institution of Engineering and Technology (IET) and founder & Managing Director of Chronos Technology Ltd. Charles graduated in Electronics from Liverpool University in 1973. He founded Chronos, a leading system integrator for synchronization and timing products in the UK telecom industry, in 1986.


Charles founded the International Telecom Sync Forum (ITSF) in 2001 and chairs the ITSF Steering Group. He is also a member of the WSTS Steering Group. Charles is on the Steering Group for the Technology Strategy Board’s Knowledge Transfer Network (KTN) for Digital Systems - Location and Timing Programme. Charles is also a member of the Industry Advisory Boards for the Universities of Liverpool and Bath, Electrical and Electronics Faculties.


In 2012 Charles was awarded Honorary Professorships from the University of Bath, Faculty of Engineering & Design, Department of Electronic & Electrical Engineering and the University of Liverpool, Department of Electrical Engineering & Electronics.

Principal, Diamond Consulting

Pat Diamond

Pat is known for his off the wall comments and opinions. He is recognized as the originator of the saying; As you slide down the bannister of life, may the splinters never point the wrong way!


Strategic Marketing Manager, Calnex Solutions

Tim Frost

Tim Frost joined Calnex in the summer of 2013. He has several years of experience in next-generation synchronisation techniques, having worked with both Symmetricom and Zarlink Semiconductor on packet synchronisation technologies. He has been active in the ITU Network Synchronisation question (Q13/SG15), the Small Cell Forum, where he was editor for their Synchronisation white paper, and also in the Metro Ethernet Forum (MEF), where he was the editor for their circuit emulation standards.


Tim has over 20 years experience in the electronics and telecommunications industry, having worked in areas such as the design of embedded CPU cores for ASIC devices, and in railway signaling systems. Tim has a BSc in Electrical and Electronic Engineering from the University of Leeds, and an MSc. from the University of Manchester. He is a Member of the IET and a Chartered Engineer.

Strategic Timing & Synchronization, Deutsche Telekom

Helmut Imlau

After studying electrical engineering, graduated as Dipl.-Ing., Helmut had different positions inside T-Group, now he is with Deutsche Telekom Technik GmbH.


He has a long experience in the field of transport networks along with specific synchronization and measurement issues. Since 2002 Helmut has been responsible for synchronization systems. His current focus is on synchronization strategy including phase synchronization for mobile base stations in closed cooperation with radio network strategy department. Helmut works in ITU-T Study Group 15 Question 13 on synchronization since 2005. His involvement is focused on Ethernet physical layer synchronization, phase synchronization and primary reference time clocks. Helmut is member of ITSF Steering Group, with several presentations at ITSF and WSTS.

Telecom Systems Engineer, Rakon Singapore

Ullas Kumar

Ullas Kumar is Telecom Systems Engineer with the Business Development Team in Rakon, Singapore. He holds Masters degree in Electronics Design and Technology (Telecom) from Indian Institute of Science, Bangalore, India and MBA from National University of Singapore. Prior to joining Rakon, he was working in the synchronization domain for the last 15 years working on traditional and packet synchronization techniques. He represents Rakon at various standardization bodies.


Senior Product Manager Telecom, Oscilloquartz

Nir Laufer

As Senior Manager, Nir Laufer is responsible for the definition and development of Oscilloquartz synchronization delivery and assurance solutions.


Nir represents ADVA Optical Networking and Oscilloquartz in ITU-T SG15 Q.13 and contribute to standard development. Prior to this, Nir worked at Wintegra (now PMC-Sierra) and developed PWE3-CES and 1588v2 solutions based on Wintegra network processors.


Nir graduated (Summa cum laude) from Bar-Ilan University with a degree in Electrical Engineering and received an MBA in strategic management and financing from Tel-Aviv University.

Power Protection Engineer, Bonneville Power Administration

Aaron Martin

Aaron Martin received a BSEE from University of Idaho in 2000, and a MEEE from the University of Idaho in 2007. He is licensed professional engineer in the state of Washington and a Main Committee Member of the Power System Relaying Committee of the IEEE. In 1999 Aaron Martin began work for the Army Corp of Engineers as a Maintenance Engineer at Lower Granite Dam, located on the Snake River, in Washington State. In 2002 he left the USACE to work for the Bonneville Power Administration as a system protection field engineer in The Dalles, Oregon. In 2006 he transferred to BPA's Branch of System Protection and Control in Vancouver, Washington. His main duties involve system protection issues on 115kv, 230kv, and 500kv transmission systems. He is currently working in that position.

Senior Wireless Engineer, Google

James Peroulas

James has been active in the 3GPP wireless infrastructure ecosystem for nearly all of his 20 year career which involved work at companies such as Ericsson, Huawei, ZTE, and Intel. His work has spanned implementation aspects ranging from ASIC design, embedded systems, and SDR radio design and also spanned basestation design from 3G/ 4G receiver algorithms, power amplifier linearization (DPD), and wireless channel modelling. He holds several wireless patents and currently works for Google as a Wireless Systems Engineer.

Vice President Marketing and Sales, Calnex

Sebastian Jobert

Anand has over 20 years’ experience in the Telecoms Industry in sales and marketing. The majority of his experience has been in telecoms test and measurement, including mobile, optical and datacoms. Anand has held management positions in Agilent Technologies, and Wandel & Goltermann (now JDSU).

Anand holds an MA with Honors in Engineering from the University of Cambridge, UK.

Director of Systems Engineering, IDT

Sebastian Jobert

Silvana Rodrigues is a Director of System Engineering at IDT. She graduated in Electrical Engineer from Campinas University in Brazil. She is the secretary for the IEEE 1588 and the editor of several ITU-T Recommendations.

Expert Research and Development, Ericsson

Sebastian Jobert

Stefano Ruffini (Ericsson Research), is one of the Ericsson experts working on the mobile backhaul aspects and network synchronization solutions. He has been working on synchronization aspects for more than 20 years. He is currently actively contributing to ITU-T SG15 Q13 (serving as rapporteur) and IEEE1588 as well as to other relevant synchronization standardization bodies and forums. Stefano is also a member of the ITSF and WSTS. .

CTO, Qulsar

Kishan Shenoi

Kishan Shenoi received his bachelors, masters, and doctorate degrees from IIT-Delhi, Columbia University, and Stanford University, respectively, in 1972, 1973, and 1977. Kishan has been an active developer of telecommunications equipment starting with line circuits for a Class 5 digital switch and has applied DSP techniques in several areas including A/D and D/A conversion, transmultiplexers, echo-cancelers, voice compression, modems, radio receivers, control loops, and processing of timing information. He is active in Standards bodies and co-chair of the technical committee of NIST-WSTS. He is named on 45 patents and has several publications including two books, Digital Signal Processing in Telecommunications (1995) and Synchronization and Timing in Telecommunications (2009). He is currently CTO of Qulsar, an innovative company providing fit-for-purpose solutions for timing and synchronization in the fields of communications, power, sensor networks, and the Internet of Things. .

Senior Engineer, Intel

Kevin Stanton

Kevin Stanton is a Senior Principal Engineer at Intel, where he is responsible for time-related technologies and standards, and their application in areas ranging from synchronized A/V to the Industrial Internet-of-Things (IoT) and automotive systems. He made major contributions to the IEEE 802.1 AVB (now TSN) standards, is active in IEEE 1588/PTP (Precision Time Protocol) and believes that accurate time will one day be a basic capability offered to every networked device in the galaxy. Kevin serves on the Board of Directors of AVnu Alliance-which acts as the industry arm for the AVB/TSN standards-and is Chair of its Technical Working Group. He holds a Ph.D. in the area of synchronization and control from Portland State University (Oregon).

WSTS Chairman, Consultant, Time & Frequency Division, NIST

 Marc Weiss

Dr. Marc Weiss worked at NIST (the National Institute of Standards and Technology--formerly NBS, the National Bureau of Standards) from 1979, specializing in time transfer techniques and statistics of timing systems, particularly applied to GPS and to telecom systems. He has over 100 publications from his time at NIST. Since January 2014 he is now a contractor for NIST, doing much of the same work. He received the NBS Applied Research Award for a first GPS timing receiver in 1983. He was awarded a patent for the Smart Clock algorithm in 1993, which optimally locks a slave clock to a master. Dr. Weiss won the 2013 NIST William P. Slichter Award, “For pioneering highly productive industry/ government partnerships to advance telecommunications and data networks through precision synchronization.” Marc founded and has led WSTS, the Workshop on Sync and Timing Systems, annually since 1992, now a sister conference to the European version, the ITSF. Dr. Weiss is the NIST co-chair of the Timing subgroup of the NIST Cyber-Physical Systems (CPS) Public Working Group. Marc co-founded the Time-Aware Applications, Computers and Communications Systems (TAACCS) initiative, and edited the white paper and subsequent NIST Technical Note. In addition, Dr. Weiss has led the NIST program to support the GPS program office in developing their clocks and timing systems since 1980. He has worked on and published Relativity issues as they relate to GPS and to primary frequency standards. He has also specialized in Time-Scale Algorithms. He received his Ph.D. in Mathematical-Physics from the University of Colorado in 1981.


Chief Scientist, Microsemi

George Zampetti

George Zampetti, is a chief scientist for Microsemi Frequency and Time Division responsible for technical leadership in innovative clock platforms, new primary reference clock designs and new timing protocols. He holds multiple patents in the arena of synchronization technology and is a frequent conference speaker. Mr. Zampetti joined Symmetricom (recently acquired by Microsemi) in 1991 as director of synchronization technology. Prior to Symmetricom, Mr. Zampetti worked for AT&T Bell Laboratories in synchronization research. He also served an active role in synchronization standards, both in a leadership role in ANSI T1X1.3 and as a contributor to ITU standards, and cable timing standards where he initiated and led the development of the ultra high precision DOCSIS Timing Interface. Mr. Zampetti holds a MSEE from Georgia Institute of Technology, and a BSEE from Villanova University.