Mr Jeff Gust,
President 2025 - 2026

Jeff Gust is the Chief Corporate Metrologist for Fluke Corporation. He has global responsibility for metrology for the Fluke companies, and manages the Fluke Calibration Metrology team. Jeff began his career in metrology in 1985, serving as a TMDE technician in the U.S. Marine Corps. Jeff has accepted positions of increasing responsibility at Tektronix, GTE, Verizon, Quametec and Richard J. Bagan Inc. before joining Fluke in 2010. He earned a bachelor’s degree in physics from Purdue University. In 2011, he was presented with the Woodington award from the Measurement Science Conference. Jeff has been involved with NCSL International since 1995, where he volunteered for the position of Northern Indiana Section Coordinator.

Jeff served on the NCSLI Board of Directors in various roles from 1999 to 2007, and was NCSL International President in 2006. He has been the NCSL International Representative to ILAC since 2011, and has re-joined the Board of Directors in 2014 to lead the 170 Committee. Jeff also has been very involved in proficiency testing and interlaboratory comparisons, founding a company that performed commercial proficiency testing for calibration laboratories. He has issued over 1000 proficiency test reports, and served on the ILAC Proficiency Testing Work Group and was a writing committee member for the development of ISO 17043, general requirements for proficiency testing. Jeff was an ISO 17025 calibration laboratory assessor for A2LA for 9 years, and still serves on the A2LA criteria council.

Mrs. georgette macdonald,
Immediate Past President 2024

Georgette Macdonald is the Director General of the NRC Metrology Research Centre, Canada’s National Metrology Institute. Georgette provides leadership to the research and measurement services within NRC Metrology in support of NRC’s strategic goals to promote the advancement of knowledge and to serve as Canada’s national metrology institute, linking ideas to implementation through collaborative innovation with stakeholders across the innovation landscape. She is committed to fostering innovation through high-precision measurement science and advancements in metrology. Georgette ensures that stakeholders and their needs are effectively engaged and understood by maintaining and enhancing relationships with senior officials of industry, government, universities and foreign organizations.
Georgette provides leadership in delivering coherent metrological advice, improving and informing national decision making for commerce, standards development, regulation and trade agreements. NRC Metrology’s activities ensure the Canadian market has access to and confidence in competent measurement solutions and while supporting the international recognition of Canada's National Accreditation schemes and National Measurement System. Her technical background is in mass and related quantities. She started her career in metrology with GJS Mass Measurement and Fisher Scientific Canada; as a Laboratory Technologist, and then as the Laboratory Supervisor and Quality Manager. Georgette has been a member of NCSL International since 1999, she has been an active tutorial instructor and conference speaker. She has served on the Board of Directors as the NRC Representative and the Treasurer.

Mrs. Sita Schwartz, Secretary

VP and Office Manager for Cal Lab Solutions, Inc., and Editor of CAL LAB: the International Journal of Metrology. Cal Lab Solutions is a metrology software company in Aurora, Colorado, that has been actively involved in NCSLI since 2003 and member since 2008.

Prior to joining the company, Sita worked in public and university libraries and as support in research and technical administrative roles. She received her Bachelor of Arts degree in English Studies from the University of Oregon in Eugene.”

Mrs. Ingrid Ulrich, treasurer

Ingrid Ulrich is currently the President of IMU Holdings, providing executive advisory services in the areas of financial and operational management to both privately held and public corporations. She previously held the position of Vice-President, Operations & Administration of Transcat Canada Inc., which operates the largest commercial calibration service company in Canada, for seven years from 2014 to 2021. Ingrid began her career with Ulrich Metrology in 1996 as Controller, and subsequently Chief Financial Officer, and then President from 2004 until 2014, year that Ulrich Metrology was acquired by Transcat. Prior to joining the company, Ingrid had a nine-year career as a Chartered Professional Accountant with the firm Richter where she worked as an audit manager and advisor to owner-manager companies.

Ingrid first joined NCSLI in 2004 as a member and participant in the Canadian Region activities. She was named Secretary in 2009 followed by Canadian Region Coordinator from 2010 to 2012. Ingrid then assumed Board of Director roles as NCSLI Canadian Division VP in 2013 as well as NCSLI Treasurer from 2013 to 2016. Since 2017, Ingrid maintains her commitment to NCSLI as the Canadian Division Vice-President.

Ingrid graduated from McGill University with a Bachelor of Commerce in 1987 as well as a Graduate Diploma in Public Accountancy in 1988. She was admitted to the Canadian Institute of Chartered Accountants in 1988, and later received her Master of Business Administration (MBA) from Concordia University. Ingrid resides in Montreal, Quebec, Canada with her husband, three children and Wheaten Terrier named Riley. She enjoys travelling, alpine skiing and eating chocolate, and is an avid soccer mom.

Mr. Gerald T. Fraser

Gerald T. Fraser is the Deputy Director of the Physical Measurement Laboratory within the National Institute of Standards and Technology.

He was previously Chief of the Sensor Science Division, a position he held from 2011 - 2022. The Sensor Science Division advances the measurement science and standards for optical and infrared radiation, length, pressure, vacuum, temperature, humidity, flow, and liquid volume. Fraser was Chief of the former Optical Technology Division from 2007 – 2011 and was a Group Leader in this Division from 1999 – 2007. Fraser received a Ph.D. degree in Physical Chemistry from Harvard University in 1985 and was a National Research Council Postdoctoral Fellow at NIST from 1985 to 1987.

Dr. Jan-Theodoor Janssen

Dr. Jan-Theodoor (JT) Janssen joined NPL in 1998. Prior to this he was a research fellow at the University of Bristol and did his PhD and Masters at the University of Nijmegen in the Netherlands. JT became an NPL Fellow in Quantum Electrical Metrology in 2006 and was appointed a visiting professor at Lancaster University in 2018.

Since 2017, he has been a member of the NPL Executive team, first as the Research Director, and recently as the Chief Scientist. In this role he is responsible for the external scientific engagements with academia and other government organisations. Internally, he is responsible for the quality and benchmarking of the research outputs of the laboratory and its knowledge management. JT is also the UK delegate for EURAMET the European Association of National Metrology Institutes. JT is the executive sponsor for NPL’s Juno committee, which aims to address gender equality in physics and to encourage better practice for all staff.

In 2015, JT launched and now heads the National Graphene Metrology Centre (NGMC), whose role it is to develop metrology and standardisation for the nascent graphene industry. JT is also a Scientific Co-Director of the Quantum Metrology Institute (QMI), which covers all of NPL's leading-edge quantum science and metrology research and provides the expertise and facilities needed for academia and industry to test, validate and ultimately commercialise new quantum research and technologies.

Mr. Andy Henson

As Director of the BIPM's International Liaison and Communication Department, Andy is part of the BIPM's Management Team, with a role focusing on the 30 or so other intergovernmental or international organizations with which the BIPM has a relationship, most notably OIML, ILAC and ISO, and other quality infrastructure players participating in INetQI (and its predecessor DCMAS). He also leads the communications team, including responsibility for the BIPM website, publications (including translation service and library), and the journal Metrologia. His other key role is representing the BIPM internationally, and supporting the BIPM Director and the CIPM on a wide variety of matters, the most prominent of which is, at the moment, our strategy development.

Dr. Claire Saundry

SIM Representative to the Board

Dr. Jörn Stenger

Jörn Stenger was born in Duisburg-Homberg in 1965. He studied physics at the University of Heidelberg and received his doctoral degree from the University of Erlangen-Nuremberg for his research on an experimental topic in nuclear and particle physics. After two postdoc years, inter alia at DESY in Hamburg, he went to the Massachusetts Institute of Technology (MIT), where he worked on Bose-Einstein condensates in Prof. Wolfgang Ketterle’s group from 1997-1999. Later on, he habilitated on this subject at the University of Erlangen-Nuremberg.

In 1999, Jörn Stenger came to PTB, where he developed a femtosecond-laser frequency comb for the frequency measurement of optical clocks. He was the Head of the Presidential Staff for six years and has been a Member of the Presidential Board since 2009.

One focus of Dr. Stenger’s work is EURAMET, the organization of European metrology institutes. He chaired the committee supporting the EMRP/EMPIR research programs from 2010-2015 and became the Chairperson of EURAMET this year.