3D HoloGroup - 3DHG Greg

Greg Partin – Co-Founder and CEO

Greg has over 20 years of experience in the field of software development of enterprise systems and has held numerous leadership positions in several diverse technology companies including Fortune 500.  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.


Tom Sablyar – Co-Founder and CTO

Tom joined 3D HoloGroup with a vision that augmented reality can become a reality for all.  Tom brings 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 has owned several companies and founded several startups including Linisi and media conglomerate New Media Group.  Tom also is president and vice-president of several non-profits and has the pleasure of serving as board member of two others companies.


Mario L. Castellanos – Co-Founder and COO

Mario has over thirty five years of corporate environment and start-up experience in several technology and non-tech sectors including AI, Gamification Technology, Broadcasting and Media, Telecommunications, Security Systems, Energy, Sports, Employee Empowerment, and others. Prior to 3D HoloGroup, Mario was President and owner of New Ventures Technologies, a business services and business processes hands-on consulting company specializing in change management, business analysis, training, operations, sales, marketing and business development. In addition, Mario is an advisor for three investment and advisory investment firms and Board Advisor for two others.