AMUG Board of Directors

President & Director

Carl Dekker
Years of AMUG service: 6*

Carl K. Dekker serves as the President of Met-L-Flo, Inc., a growing service center for additive manufacturing located in Sugar Grove, IL. He has been actively involved in research and product development using current technologies and innovative methods.

Mr. Dekker is President-Elect and Director of the Additive Manufacturing Users Group (AMUG), Past Chair of the ASTM F42 Committee on Standards for Additive Manufacturing and a Past Chairperson of the SME’s Rapid Technologies and Additive Manufacturing (RTAM) Community (formerly the RPA). He also serves as the Chair of the Direct Digital Manufacturing Tech Group of the RTAM. Being actively involved in fostering education he teaches the Rapid Technologies and Additive Manufacturing Technologies Certificate Programs and also remains active in the Bright Minds Program as a member and Past Co-Chair. He was honored with the award of merit making him an Honorary Fellow of ASTM Intl. He holds a Master Certificate in Rapid Prototyping and is a proud recipient of the SLA “Dinosaur” award (Currently the Distinguished INnovator Operator – DINO).

Past and present positions held include: Chair of the ASTM F42 Committee on Standards for Additive Manufacturing, Rapid Prototyping and Manufacturing Conference Advisor, Industry Advisory Board Member for RapidTech, RapidTech National Visiting Committee Chair, T.E.A.M. NAB (Technician Education in Additive Manufacturing National Advisory Board) Member, Museum of Science and Industry Fab-Lab Advisory Board Chicago, Editorial Advisory Board for Time Compression Technologies Magazine, Waubonsee Community College Industry Advisory Board, Valley Industrial Association Board Member, National Design and Manufacturing Conference Advisor, National Plastics Exposition Conference Advisor, and Secretary of the 3D Systems North and Secretary of the 3D Systems North American Stereolithography Users Group. He has also served as the Chair of many specialty programs and conference sessions.

Chairman of the Board & Director

Gary Rabinovitz
Reebok International
Years of AMUG service: 19*

Gary Rabinovitz holds a degree in Physical Education from Plymouth State University, Plymouth, NH. He has managed the Additive Manufacturing Lab at Reebok International Ltd’s world headquarters for over 19 years. This lab operates SLS technology, 3D printing technology and PolyJet technology.

Gary held the position of president of the SLS Users Group from November 2001 through the September 2002 conference. In the fall of 2002, Gary accepted the position of Z Corporation User Group president, a position that he held for four years. Gary has also been a member of SME for the past 19 years and has served two terms as president of the Additive Manufacturing Users Group.

At the 2014 AMUG Conference, Gary was presented with the prestigious President’s Award for long time service to the additive manufacturing industry and the users group.  Gary is only the 6th recipient of this award in the 29 year history of the AMUG.  In September 2014, Gary also received the Plymouth State University Alumni Achievement Award for all of his work at Reebok and in the additive manufacturing industry.

Past President & Director

Paul Bates
Years of AMUG service: 9

Paul Bates is the general manager of the UL Additive Manufacturing Competency Center and an industry-recognized AM veteran. Bates joined UL in 2014 after serving 20+ years at Reebok where he guided the global athletic footwear leader’s Additive Manufacturing Lab and 3D CAD Team as the director of advanced process engineering. A 2012 recipient of the Additive Manufacturing User Group (AMUG) “Dinosaur” Award, Bates is fluent in numerous AM processes, including SLS, FDM and PolyJet. In addition to teaching multiple UL AMCC courses, Paul oversees the day-to-day operation of the facility.

Vice President & Director

Jamie Cone
Years of AMUG service: 4

Jamie Cone is an Engineer II at Becton Dickinson and holds a Bachelor’s degree from North Carolina State University in Biomedical Engineering. Jamie was first exposed to additive manufacturing technologies while working as an undergraduate researcher in the Center for Additive Manufacturing and Logistics laboratory at NC State. Jamie is now part of the Advanced Prototyping team within the Corporate Computer-Aided Engineering Department at BD Technologies and Innovation, and she has experience in primarily SLA and Carbon CLIP technologies.

Vice President & Director

Andrew Allshorn
At 3D-Squared
Years of AMUG Service: 2

Andy Allshorn is a long-time proponent of the additive manufacturing and 3D printing industry. His career working with and implementing additive technologies spans three decades. Since 2007, Andy has run his own successful consultancy business, At 3D-Squared, a company that provides dedicated and strategic support services for organizations involved with AM to maximize the technology’s capabilities.

Andy has an exceptional breadth and depth of knowledge of the software, hardware and materials aspects that must be combined to generate best practices and results with AM. Moreover, Andy’s knowledge is augmented by a pragmatic and personable approach when applying his expertise for the benefit of others.

With unprecedented access to numerous industrial sectors, including automotive and aerospace, Andy’s experience and expertise have seen him invited to participate in various global events and summits. In 2016, Andy’s distinguished work in the AM sector was recognized by AMUG when he was awarded the exclusive Distinguished INnovator Operator (DINO) Award.

Treasurer & Director

Vince Anewenter
Milwaukee School of Engineering (MSOE)
Years of AMUG service: 10

Vince Anewenter holds a BS in Business Finance from MSOE’s Raider School of Business and is a Journeyman toolmaker.  He is currently the Director of the Rapid Prototyping Consortium at the Milwaukee School of Engineering where he has been actively involved in the additive manufacturing industry since 2004.  As Director, Mr. Anewenter is responsible for providing strategic additive manufacturing guidance and new product development expertise to a non-compete consortium of over 45 companies located throughout the world. Areas of expertise include: additive manufacturing, 3D scanning, injection molding, stamping, castings and product design.

Vince has been attending AMUG Conferences since 2004 and has served on the Board of Directors as Treasurer since 2012.

Event Manager & Director

Thomas Sorovetz
Years of AMUG service: 28*

Thomas has been with FCA, LLC for more than 34 years, with 24 years as Supervisor – Vehicle Engineering Development, Rapid Prototyping Development, Wood, Plastic, CNC, and Carbon Fiber Shops. He has over 35 years of experience in automotive design and engineering and more than 30 years of experience in rapid prototyping/additive manufacturing. Along with publishing numerous articles in the field of rapid prototyping, rapid tooling, additive manufacturing and photoelastic stress analysis using stereolithography, he has been a presenter/speaker at many technical conferences.

Thomas has been on the AMUG Executive Board as Event Manager since 1993. He is the recipient of the AMUG Distinguished INnovative Operator (DINO) Award, the AMUG President’s Award, and the AMUG Distinguished Service Award for his 25+ years on the Executive Board. In addition to his service to AMUG, Thomas has served as an SME advisor on several committees spanning 25 years, including the Rapid Prototyping & Manufacturing Conference, Rapid Prototyping Association of SME, AUTOFACT Advisory Board; and, he was co-chair of the Bright Minds Mentor Program. Currently, Thomas is an advisor for the RAPID + TCT Conference and he holds the Rapid Technologies and Additive Manufacturing Master level certificate. In 2007, Thomas was voted by his industry peers as one of the Top 25 Most Influential People in Rapid Product Development and Rapid Manufacturing by TCT Magazine (UK). TCT Magazine is the leader in RP/AM and RP/AM related technologies.

Secretary & Director

Leslie Frost
GE Additive
Years of AMUG service: 4

Leslie Frost is the Marketing Operations Leader at GE Additive where she helps to educate and develop prospects for additive manufacturing by understanding their needs, industry and applications. Leslie is passionate about additive manufacturing and continues to help develop this space by amplifying the stories and journeys of AM users. Previously she held marketing positions with Arcam, Stratasys, Objet and SolidWorks and has been in the 3D printing industry for over 10 years. Since moving to GE Additive, she has expanded her knowledge into the metal 3D printing world and is currently promoting and helping to expand the adoption of additive manufacturing into full-scale production. Leslie is a member and mentor in Women in 3D Printing where she would like to help raise the voice of women in this industry. Leslie was recognized by AMUG with the Distinguished INnovator Operator (DINO) Award.

AM Industry Advisor & Director

Todd Grimm
T.A. Grimm & Associates
Years of AMUG service: 10

Todd Grimm, is president of T. A. Grimm & Associates, which offers additive manufacturing and 3D printing consulting and communications services. In the 30 years that he has been involved with additive manufacturing, he has played many roles in the industry: author, writer, speaker and advisor. Todd is the author of “User’s Guide to Rapid Prototyping” and has written hundreds of articles for a wide range of publications. He has served as an editorial advisor for both The TCT Magazine and Time-Compression Technologies.

In 1997 and 2012, Todd was named one of the most influential in the additive manufacturing industry on The TCT Magazine’s Top 25 and Top 20 lists. He has served as an advisor for the Society of Manufacturing Engineers’ (SME) technical communities and the organization’s RAPID + TCT conference. He is a Past Chairman of the society’s Rapid Technologies and Additive Manufacturing (RTAM) community and its 3D Imaging technical group. He is also a recipient of SME’s Master-Level Certificate in additive manufacturing and has been awarded an AMUG DINO.

AMUG Advisors

Advisors to the Board


Mark Barfoot
Years of AMUG service: 9

As Director of AM Programs at EWI, Mark is responsible for running EWI’s AMC (Additive Manufacturing Consortium), which consists of over 50 companies that support shared research projects but also provide a forum for companies to meet/share in order to advance the industry specifically in the area of metal additive manufacturing. He is also in charge of EWI’s involvement with the ASTM CoE in Additive Manufacturing (ASTM Center of Excellence), which is working with other partners to conduct the background research to advance the development of standards specific to the additive manufacturing.

EWI is a world leader in developing and deploying new technologies that enable companies to bridge the gap between R&D and manufacturing implementation

Principal Consultant

Elizabeth Goode
Goode Ink, LLC
Years of AMUG service: 14*

Elizabeth Goode is the Owner of Goode Ink, a creative marketing and communications company dedicated to developing brands, enhancing communication strategies, providing business development and increasing sales and marketing for small to mid-size companies. Goode has built an extensive background in integrated marketing communications, brand recognition, business development, community/investor/public relations, global communications, marketing, and strategic planning for established multi-million dollar companies for the high-tech, additive manufacturing, subtractive manufacturing, software and healthcare industries.

Prior to launching Goode Ink, Goode held the position of director, global marketing for Universal Laser Systems, a global CO2 laser and laser engraving system manufacturer, and managed the company’s marketing, branding and product launches.Before joining Universal Laser Systems, Goode held the position of director, corporate development for the California Healthcare Institute (CHI), a non-profit advocacy and public policy research organization representing leading biotechnology, medical, diagnostics and pharmaceutical companies in California. Goode joined 3D Systems in 1999 and served as director of marketing for the company prior to holding the position of director, corporate development. Goode managed the investor relations, global communications and branding, and partnership programs for the company.

*Includes years served under 3DSNASUG and/or DTM Users Group

AMUG Ambassadors

As an all volunteer organization, the AMUG Board works with individuals globally to increase awareness and build a strong additive manufacturing community.

Meet our international Ambassadors

Andrew Allshorn (Europe Ambassador)

At 3D-Squared

See biography above.

Nora Cibula (Europe Ambassador)

Concept Laser

Dror Danai (Middle East Ambassador)


Dror Danai, XJET chief business officer, has 25 years of management experience in international business strategy and operations.

His impressive skillset has enabled him to launch new technological revolutions, having led some of the most important breakthroughs in both classic (2D) and 3D printing (additive manufacturing). Combining an impressive mixture of capabilities from product design, engineering, global marketing and high level business development and sales, Dror takes companies from startup stage through to full business maturity.

Dror’s extensive career includes leading the business of Objet Geometries for 10 years (later merged with Stratasys) from the early startup stage and into a global success (over $100M in annual revenue).

Dror holds a B.Sc. in Industrial Engineering and an MBA, both with Honors, from the Tel-Aviv University, and as a Major in the Israeli Defense Forces, he was the leader of Talpiot, the supreme military Academy.

Stefan Ritt (Global Ambassador)


After earning his engineering degree in technical physics from the University of Applied Science in Lübeck, Germany, Stefan Ritt started his career in RP/AM in 1985 when running a prototype lab in the R&D arm of a coffee and vending machine company. After that, he held positions in QA and product management for mid-sized Dutch and Danish companies. In 1998, Stefan took on international sales and marketing of RP tooling products for a UK/German joint venture. In this capacity, he was successful in international markets with the development and support of the transition of RPT and metal AM equipment into production equipment. Stefan has also worked for SLM Solutions where he continued his efforts to grow the metal AM market internationally. There he could manage to bring the first powder-bed Laser metal printer on display at an AMUG-conference. He now works for SPEE3D from Melbourne-Australia, which brings another new metal AM technology for production into the market, as their European managing director. He is a part-time lecturer for supply chain management at the technical university of Lübeck and guest lecturer for international business communication in marketing at the Technical University in Hamburg. In 2011, he was appointed as the European liaison officer and global ambassador for AMUG. As he travels around the world, he spreads the news about AMUG activities to expand the awareness of the users group in global markets. In 2015 he was awarded the AMUG-DINO for his continuous support and involvement for the user group and industry. Every year he brings the latest news, trends and future outlooks of the AM industry from around the world to the audience at the AMUG conference.

Graham Tromans (Europe and Asia Ambassador)

GP Tromans Associates

Graham Tromans is an industry consultant and president of G P Tromans Associates, an independent additive manufacturing, rapid prototyping and 3D printing consultancy. He has been involved with the additive technologies since 1990 when he was instrumental in the development and technology application acceptance with Rover Group, working with companies such as Land Rover, BMW, Aston Martin, Ford Volvo, Bentley Cars, Boeing Aircraft, British Aerospace, F1 racing, NASCAR, Rolls Royce, Perkins Engines, JCB and many others. He was also responsible for setting up the Land Rover facility and was an advisor to Jaguar Cars in the setting up of their facility.

He has represented the UK Government’s Department of Trade and Industry on Overseas Science and Technology Experts Missions to both USA and Japan, looking at the developments in RP/AM technology and applications. He has presented numerous papers in USA, Japan, China and Europe.

He is editor of the book “Developments In Rapid Casting,” which is published by The Institute of Mechanical Engineers in London, and is also a chapter author in the book “Rapid Manufacturing – An Industrial Revolution For The Digital Age,” primarily focusing on automotive and motorsports applications.

In 2007 Graham became a Master-Level Rapid Technologies & Additive Manufacturing Certificate holder, presented by the SME, USA: the first and only person to be awarded it in the UK to date. He has also been awarded the “Double” DINO (Distinguished INnovator Operator) Award, in both SLA and SLS by the 3D Systems Users Group, recognizing his long term contributions to both technologies.

Graham is currently an adviser to a number of industry associations and media/event outlets, and has held a number of positions including being past chair of the Rapid Technologies & Additive Manufacturing (RTAM) Steering Committee and chair of The Rapid Prototyping and Manufacturing Association UK.

He was also ranked in the Top 25 In The World’s most influential people in Additive Manufacturing in the TCT magazine readers survey in 2007 and in 2012 was still ranked in the Top 25 in the World’s most influential people in additive Manufacturing, he was also the magazine’s editor’s choice in this survey.

He is chief consultant to the Chinese 3D Printing Technology Industry Alliance and more recently he was officially appointed consultant to the Qingdao 3D Printing High Technology Zone and chairman of the World 3D Printing Technology Industry Alliance Council in China.

In June 2014, at the World 3D Printing Technology Industry Conference and Exhibition in Qingdao, China, he was awarded the World 3D Printing Industry Outstanding Contributor Award.

In February 2017,he was also invited to be a member of The TCT Group Expert Advisory Board.

In 2010, he was  invited to take up the position of Global Ambassador for the AMUG in Europe and Asia.