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Technical Communities

Additive Manufacturing Community Advisors


Christopher_Williams.jpgDr. Christopher Williams is the L.S. Randolph Professor and the Electro-Mechanical Corporation Senior Faculty Fellow in the Department of Mechanical Engineering at Virginia Tech. He is the Director of the Design, Research, and Education for Additive Manufacturing Systems (DREAMS) Laboratory. The lab has published over 185 peer-reviewed articles on topics spanning innovations in additive manufacturing processes and materials, Design for Additive Manufacturing methodologies, and cyber-physical security for AM. He is a recipient of a National Science Foundation CAREER Award (2013) and the 2012 International Outstanding Young Researcher in Freeform and Additive Manufacturing Award. He currently serves as the Chair of the Additive Manufacturing Community Advisors for SME. Dr. Williams holds a Ph.D. and M.S. in Mechanical Engineering from the Georgia Institute of Technology (Atlanta, Georgia) and a B.S. with High Honors in Mechanical Engineering from the University of Florida (Gainesville, Florida).


Past Chair

Mihaela_Vlasea (1).jpgMihaela Vlasea, PhD, is a new faculty member at the University of Waterloo. She has over eight years of professional and academic experience in designing and building complex mechatronic systems for additive manufacturing applications. Vlasea has helped developed a new powder bed binder-jet system capable of fabricating products ranging from bone and dental implants to lightweight porous materials for aerospace uses for the University of Waterloo as well as a laser powder-bed fusion system for the National Institute of Standards and Technology. One of the most exciting projects she is currently involved with is a collaborative venture with researchers, pathologists and orthopedic surgeons from Mount Sinai Hospital, University of Toronto and the University of Waterloo in manufacturing of bone substitute implants that can be seeded with live cells, and post-implantation, are replaced with the patients’ own tissue. SME Member Since 2015


Vice Chair

barnes.jpgJohn Barnes is the Founder of Metal Powder Works and Managing Director of The Barnes Global Advisors, the leading consultancy in additive manufacturing. Previously, he was Vice President of Advanced Manufacturing & Strategy at Arconic Titanium & Engineered Products where he helped shape the R&D budget and activities across manufacturing operations and influenced future business. There he worked with Airbus to qualify the first Titanium additively manufactured parts for series production. Prior to Arconic, he was Director of the High-Performance Metal Industries Program for CSIRO, the national science agency for Australia where he oversaw the R&D and Commercialization activities and investments in the program’s two principal areas: Metal Production & Interface Design and Additive Manufacturing. His aerospace background includes lengthy positions at AlliedSignal (now Honeywell) Engines where he supported gas turbine Advanced Technology and was Program Manager of Marine Engines programs and as Senior Manager for Manufacturing Exploration and Development at Lockheed Martin Skunk Works. At Lockheed Martin, he was responsible for developments in advanced polymers, composites, carbon nano tubes, novel titanium production and processing, additive manufacturing of both polymer and metallic systems and low observable manufacturing methods. Primarily, John has a background in materials performance and processing relationships but has led groups to develop low emission combustors, advanced polymers, and low observable technology. John has 3 US patents, 5 International patents pending, has given numerous invited presentations is published internationally. In 2014 he was awarded Purdue University’s Outstanding Materials Engineer of the Year and was given an Adjunct professorship at RMIT. In 2015, he became an Adjunct Senior Research Fellow at Monash University. In 2017, the faculty of Carnegie Mellon University appointed him an Adjunct Professor of Materials Engineering. John holds a B.S. in Materials Science and Engineering and an M.S. in Metallurgical Engineering from Purdue University.



Tracy AlbersTracy Albers, PhD is the President and CTO of Rapid Prototype and Manufacturing LLC (rp+m). In this role she is responsible for developing and executing rp+m’s business strategy, which focuses on capitalizing the use of additive manufacturing in a production environment. Since taking the helm at the Avon Lake-based company in January 2015, Dr. Albers has increased the company’s profitability through significant improvements to business operations and implementation of a creative approach to partnerships. Under her leadership, rp+m is pioneering AM use in qualified production applications for the aerospace, defense and automotive industries. Prior to joining rp+m, Dr. Albers worked for GrafTech International, a $2B global materials company. During her 10 years there, Tracy directed R+D and commercialization efforts for two business units: the first one focused on new materials for the carbon fiber composites industry, and the second one on advanced materials for energy storage applications. Dr. Albers also led multiple initiatives that strategically partnered with multiple national laboratories, including Oak Ridge National Labs. The Cleveland, Ohio native currently serves on the Steering Committee for Team NEO’s Additive Manufacturing Cluster. She speaks regularly at advocacy events—locally and nationally—and has led large collaborative partnerships with America Makes, the National AM Innovation Institute, which is based in Youngstown, Ohio. Dr. Albers was recognized as a leader for women in manufacturing with a 2013 STEP Award from the Manufacturing Institute. In 2015, she was profiled by Crain’s Cleveland Business in its series, “Who to Watch: Manufacturing.” In 2017, Dr. Albers was recognized for her business leadership by Crain’s Cleveland Business as a distinguished “Top 40 Under 40.” Also that year, she was recognized for her leadership in technology by the women’s advocacy group, “Women in 3D-Printing.” Dr. Albers received her PhD degree in Physical Chemistry from the University of Pittsburgh and two BS degrees in Chemistry and Exercise Physiology from Baldwin-Wallace College. She lives with her family in Westlake, Ohio.


Coyne-Jennifer_110x132.jpgJennifer Coyne is the Associate Director of Programs at The Barnes Global Advisors where she oversees project development and project execution. Previously, she spent over 13 years at GE Transportation (now Wabtec Corp) where she led the Global Additive Manufacturing Team and oversaw Additive Engineering Design, Prototyping, and Parts Production for GE Transportation’s global additive manufacturing efforts. She formed the original AM team at GE Transportation and successfully led the launch of over 50 production additive parts and opened 4 global labs in the US and India with a wide range of metals and polymers 3D printing capabilities. Prior to her start in Additive Manufacturing, Jennifer led the PLM launch at GE Transportation, held several roles in Systems Engineering specializing in locomotive Traction, Propulsion Systems, and Energy Storage Reliability. She started her career with GE as part of the Edison Engineering Development Program, a 2-year training program designed for professional development through intense technical training and business-critical assignments including On-Shore Wind and Diesel Engine Emissions Design Engineering Roles.

Jennifer currently serves as an SME Additive Manufacturing Community Advisor, has 7 US patents. She’s also received multiple recognition awards including one of Railway Age’s Top Women in Rail 2020, 2017 GE Transportation’s Women in Technology Award, and the 2013 GE Transportation Innovation Engineering Award. Jennifer holds a B.S. in Mechanical Engineering from Grove City College and an M.S. in Mechanical Engineering from Georgia Institute of Technology.


crutchfield.jpgBryan Crutchfield joined Materialise in September 2011 and is based in Plymouth, Michigan. Crutchfield leads the North American operating unit and focuses on overall strategy for business development and client relationships at the senior-most levels of our customer base. Crutchfield brings experience as an executive leader in automotive, manufacturing and software industries. His results-focused leadership style has made him successful in strategic planning, P&L management, profitability/productivity improvement, and cost control programs. Prior to joining Materialise, Crutchfield held several senior executive positions including General Manager Engineered Fasteners & Components-NAFTA at TRW, Vice President of Sales/Marketing at Android Industries and Director of Sales at ThyssenKrupp Budd. Crutchfield holds a Master of Business Administration from Lawrence Technological University and a Bachelor of Arts in Finance from Western Michigan University’s Haworth College of Business.


stacydelvecchio.jpgStacey DelVecchio, F.SWE is President of Stacey D Consulting, focused on the business of additive manufacturing. She is a technical advisor with the Society of Manufacturing’s Additive Manufacturing Community and a previous industry peer review panelist for Oakridge National Labs Manufacturing Development Facility. DelVecchio is a sought-after speaker on the value of additive and has been quoted in numerous technical magazines on 3D printing. Prior to launching her own consulting business, she was the Additive Manufacturing Product Manager for Caterpillar Inc. where her team leveraged the technology in all spaces, including new product introduction, supply chain and operations. Her team focused on deploying the technology by working with Caterpillar product groups on design for additive. DelVecchio also managed their Additive Manufacturing Factory.

In her 30 years in industry, most of which was at Caterpillar, DelVecchio held numerous positions in engineering and manufacturing. In addition to her additive manufacturing work, her other notable experiences include the build and start-up for a green field facility in China, hose & coupling world-wide engineering management, new product introduction management for Cat Fuel Systems, and management of the project management office for Caterpillar engines. DelVecchio also developed an engineering pipeline strategy to ensure the best engineering talent is available to meet global enterprise needs.

DelVecchio holds a B.S. in chemical engineering from the University of Cincinnati. She is a Past President of the Society of Women Engineers and has received the society’s Advocating Women in Engineering Award. DelVecchio is a past vice-chair of the Women in Engineering Committee for the World Federation of Engineering Organization where she represented the American Association of Engineering Societies and is championing global expansion of the Society of Women Engineers. She has spoken in a dozen countries on the value of gender diversity in engineering and is a strong advocate for women in engineering. In 2021, DelVecchio edited her first book, Women in 3D Printing: From Bones to Bridges and Everything in Between.


Graves-Andrew.jpgAndrew Graves has been working in RP/AM/3D-Printing since 1990 - starting with 3D Systems in the UK and moving to 3D Systems Corporate in Valencia, CA in 1996. He was part of the development teams for the SLA5000, SLA7000 and Viper Si2 systems as well as the 3D Lightyear software. After 3DS, he set up the 3rd party maintenance & support company, TCST with a group of other talented ‘ex-3D’ people and developed the removable recoater blade system for large-frame SLA systems. He then spent 5 years with Solid Concepts in Valencia, CA – now Stratasys Direct Manufacturing – and was involved in various R&D projects, researching new technologies, and responsible for the day-to-day running of 26 SLA systems. He joined the Covestro Additive Manufacturing team (formerly DSM) in January 2017 as Equipment Partnership Manager with the remit to seek out new systems, new technologies and potential partnerships to help expand the additive manufacturing landscape. He is a 2015 recipient of AMUG’s “DINO” award which recognizes individuals for their years of experience and contributions to the additive manufacturing community.


Sheku KamaraSheku Kamara is the dean of applied research at Milwaukee School of Engineering where he oversees the activities of the Applied Technology Center. The ATC uses MSOE faculty, staff and student expertise to solve technological problems confronting business and industry. He has been involved with additive manufacturing since 1996 and was director of the Rapid Prototyping Consortium at MSOE. Kamara received a laser-sintering DINO (Distinguished INnovator Operator Award) from the AMUG for his contributions to the technology and industry. He has served as a RAPID + TCT conference advisor since 2004 and is a past chair of AMUG. SME Member Since 2003



Lee-Ellen_110x132.jpgDr. Ellen Lee is the Technical Leader of Additive Manufacturing for Research & Advanced Engineering at Ford Motor Company, responsible for leading the technical development of advanced polymer additive manufacturing (AM) materials and technologies for functional use in the automotive sector. She established Ford’s dedicated AM research program in 2014 to enable its use to drive product innovation, enhance quality, and improve efficiency and flexibility in manufacturing. In her current role, Dr. Lee sets the strategic direction for polymer AM and its integration across the enterprise through activities including training and education, standardization and qualification, and development of the AM technology roadmap. Dr. Lee received her Bachelor of Science (B.S.) in Chemical Engineering from Northwestern University and her Doctorate (Ph.D.) in Chemical Engineering from the University of California at Berkeley. She serves on the board of directors for SPE’s AM SIG and as an advisor for SME’s AM Technical Community, in addition to having a history of participation and advisory with organizations including America Makes, USCAR, and SWE.


murray.jpgJay Murray is a longtime champion of additive manufacturing technologies with an economics degree from the University of Iowa. Currently Senior Channel Manager for Desktop Metal, Jay started his career in 3D printing as Vice President of Sales and Marketing at Met-L-Flo, a full-service plastics prototyping service bureau in Illinois. Jay learned the power of 3D printing there firsthand, helping companies like GE Appliance change the way they developed new products. He later joined MasterGraphics and Graphics Systems Corporation, where he sold 3D Systems and Stratasys technologies. Jay then lead EnvisionTEC as their Director of North American sales for MCAD until advancing to metal additive technology sales for Desktop Metal.


Alison ParkAlison Park is the Deputy Technical Fellow of Materials and AM at NASA. She is a part of the NASA Office of Chief Engineer’s division called NASA Engineering and Safety Center (NESC). Alison’s roles and responsibilities include strengthening its technical capabilities related to Additive Manufacturing, deepening its knowledge base by broadening its perspectives, working with NASA centers to execute technical assessment and support projects for various NASA programs.

Prior to her NASA assignment, she was the Technical Program Manager at Aerojet Rocketdyne responsible for capturing and managing R&D projects to mature AM technologies. She provided leadership and technical guidance to existing and emerging Space rocket engine programs in the area of advanced materials and manufacturing. She holds a B.S in Materials Engineering from Purdue University and a M.S in Aerospace Materials Engineering from University of California, Los Angeles (UCLA).


Brian_Post.jpgBrian K. Post, PhD, is an associate research staff member with the Manufacturing Systems Research Group at Oak Ridge National Laboratory. Post’s research includes the development of large-scale additive manufacturing processes capable of producing large parts. This system was utilized to print the world’s first 3D-printed car, the Strati, and the ORNL 3D-printed Shelby Cobra. Other projects include the utilization of additive manufacturing systems to develop novel robotic technologies, including underwater manipulation systems and prosthetic applications.



Carolyn Conner SeepersadCarolyn Conner Seepersad is the J. Mike Walker Professor of Mechanical Engineering at the University of Texas at Austin and the director of the Center for Additive Manufacturing and Design Innovation. Dr. Seepersad’s research focuses on engineering design and additive manufacturing. She is the author of more than 140 peer-reviewed journal and conference publications, including several best paper awards from ASME and ASEE. She is a member of the ASME Design Engineering Division Executive Committee and a member of the organizing committee for the annual Solid Freeform Fabrication Symposium. She teaches courses on engineering design and additive manufacturing, and she is a member of The University of Texas System Academy of Distinguished Teachers.


simkin.jpgZach Simkin is the President of Senvol, the industry leader in data for additive manufacturing. At Senvol, Zach spearheaded the creation of Senvol Indexes, which are the first commercially available data sets for additive manufacturing material characterization.

Zach’s particular area of focus is on commercializing additive manufacturing data in ways that are valuable to industry.

Zach is fully engaged in a variety of leadership activities throughout the additive manufacturing industry. He serves on the Governance Board of America Makes, as well as on the organization's Data Schema Working Group. Additionally, Zach serves on SME’s additive manufacturing Advisory Board, and he is a member of ASME’s Technical Advisory Panel for additive manufacturing, the ASTM F42 Committee for Additive Manufacturing Technologies, and the SAE AMS-AM Additive Manufacturing Committee. He has been published in top industry journals, and has also been a featured speaker at numerous industry trade shows and conferences, such as RAPID, the Chem Show, and AM3D.

Zach received a BA in Economics from the University of Pennsylvania, where he graduated Summa Cum Laude, and an MBA from the Wharton Business School.