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3D HoloGroup - 3DHG Greg

Greg Partin – Co-Founder and CEO

Over 20 years of experience in the field of software development of enterprise systems. Greg holds a Bachelor’s degree in Computer Science from Bowling Green State University and a Master’s degree in Computer Information Systems from Nova Southeastern University. Greg has developed several Augmented Reality applications including “Best in Category”. His vision is to help bring Augmented Reality to the world for everyday use. Get to know 3D HoloGroup, with Greg Partin, CEO


Tom Sablyar – Co-Founder and CTO

Over 20 years of experience in the technology, banking, law, retail, finance, and product manufacturing industries. Prior to joining Tom was a consultant for several Fortune 100 firms that were devoted to technology and telecom. Tom attended Bowling Green State University for a degree in Management Information Systems. Tom had additional training and certifications including HIPPA, Six-Sigma, and others.


Mario L. Castellanos – Co-Founder and COO

Mario has over thirty five years of corporate environment and start-up experience in several dynamic technology and non-tech sectors including AI, Gamification, Telecommunications, Broadcasting and Media, and others. In addition, Mario is an advisor for three investment and advisory investment firms and Board Advisor for two others. His formal education includes degrees and certifications in Industrial Technology from Florida International University, O.S.H.A. Trainer certification from MDCC, and others.

Ronald T. Linares – Financial Board Member

Experienced Chief Financial Officer with a history of working in the SaaS software, life sciences, restaurant and residential contracting industries. Strong finance professional skilled in Strategic Planning, Management Consulting, Financial Analysis, Financial Reporting, Business Strategy, Start-ups, budgeting and forecasting, M&A’s, and Project Management. Ronald attended the University of Florida where he received a B.A., a M.S. in Accounting from Barry University, and Nova Southeastern University.

Dr. Rafael Grossmann

Rafael J. Grossmann, MD, FACS – Senior Advisor, Medical Technology

Healthcare Futurist, Technology Innovator, Surgeon and Educator. A practicing surgeon specializing in General, Trauma, Advanced Laparoscopic, Single Incision and Robotic Assisted Surgery, An expert in the use of Virtual, Augmented and Mixed Reality, in 2013, he became the first doctor to use Google Glass during live surgery. An advisor and consultant to several organizations including Magic Leap and multiple startup enterprise in the technology landscape, he’s lectured at MIT Media Lab, Stanford, Google, Deloitte, and many other pivotal digital-health industry players. Rafael has also been a TEDx speaker, a national and global Keynote Speaker and interviewed by numerous media outlets including CBS, Univision, CNN, and others. His articles have been published by The New York Times, The Boston Globe, The Washington Post, and more.

Click here to check out his Imagine the Possibilities Video


Jay W. Pettegrew, M.D. – Senior Advisor, Medical Science Technology

Dr. Pettegrew is a highly distinguished and internationally recognized scientist, M.D. tenured Professor, US  Navy Lieutenant commander (LCDR, MC, USNR), and patented inventor. His career spans more than 45 years and his expertise includes neurochemistry/neurophysics and the development and application of magnetic resonance spectroscopic imaging (MRSI) and magnetic resonance imaging (MRI) in neuropsychiatric disorders, the application of in vitro and in vivo MRSI/MRI methods to normal brain development and aging, and more. He is a member of sixteen national and international scientific societies including Fellow of the American Academy of Neurology, The American Psychopathological Association, and the Royal Society of Medicine (England). He’s published over 300 peer-reviewed scientific journals related to his research and has been a reviewer for seventeen international scientific journals.

Dave Outlaw photo

Dave Outlaw – Senior Advisor, Manufacturing and Education

Dave has a long history of working with manufacturing and engineering companies in management, training, and consulting positions. Approaching his work with an emphasis on humility, teamwork, and collaboration, he has transformed his company, Outlaw Solutions and Concepts, from a part-time endeavor to a full service dedicated to supporting small business manufacturing. Outlaw uses his experience in business management to determine the most effective strategies to enhance company performance. Dave’s formal education includes a BA in Architecture from The University of Texas at Austin, and a M.S. from Florida Institute of Technology.