OmniSci Leadership Team


Todd Mostak

Founder and CEO

Todd is the CEO and co-founder of OmniSci. Todd originally conceived of the idea of a GPU-accelerated analytics platform while conducting graduate research at Harvard on the role of social media in the Arab Spring, after tiring of waiting hours or sometimes days for traditional CPU-based platforms to run analytic workflows over hundreds of millions of tweets. He later joined MIT’s CSAIL as a research fellow, under the supervision of Sam Madden and Turing Award winner Michael Stonebraker, before founding OmniSci.

Alan Wong

VP of Finance

Alan is responsible for the company’s finance, accounting and administrative operations. He was most recently the VP of Finance and Administration at UnitedLayer, a hybrid hosting company with colocation facilities on the west coast. Alan has also held finance roles with Alta Devices, Leadis Technologies, Spansion, Advanced Micro Devices, and was a founder of PracticeFusion, the largest cloud-based electronic health records platform in the United States. He holds a master's degree in business administration and an undergraduate degree in accounting, both from San Francisco State University.

Pey Silvester

VP of Engineering

Pey is OmniSci’s Vice President of Engineering and leads all aspects of development. With more than 15 years of proven engineering leadership, Pey has expertise in delivering world-class enterprise and consumer applications. She joined OmniSci from Amazon where she built the first Alexa team in Vancouver and launched the Alexa Skills Kit simulators and testing platforms. Prior to that, Pey led performance, QA, and engineerings teams at NetApp launching their large scale high performance object, CIFS, and NFS storage platforms.

Hardik Chheda

VP of Product

Hardik leads the overall strategic product vision and drives execution to develop new products and features for OmniSci's Analytics Platform. Hardik leads the Product & Design teams at OmniSci. With deep expertise and influence in business intelligence and analytics, he is highly respected as a thought leader in the industry. Prior to OmniSci, Hardik held various technical and marketing leadership roles such as Product Management, Product Marketing, and Sales Engineering at Tellius, Birst, GoodData, and Oracle. Hardik holds a Masters degree in Computer Science from Georgia Institute of Technology and a Bachelors degree in Computer Engineering from Mumbai University.

Ray Falcione Jr.

VP of Sales

Ray has over 30 years of experience supporting the government mission in the civilian, military and intelligence community. Prior to joining OmniSci, Ray was the Director of Federal Programs at Adobe, Inc., serving national security, law enforcement, Homeland Security and military intelligence customers. Before that he held the position of Vice President at Software AG Government Solutions, a software systems integrator, and served in senior management positions with Brocade, Oracle and Sun Microsystems. Ray graduated from the University of Maryland, College Park, MD with a Bachelor of Science in Industrial Technologies with a minor emphasis in Computer Science and Production Manufacturing.

Nohyun Myung

VP of Global Solution Engineering

Nohyun is Vice President of the Solution Engineering practice globally for OmniSci and brings extensive experience as a technologist, strategic executive and board advisor spanning 20 years in the data, analytics and high-growth technology space. He has played critical roles in leading teams in pursuit of seeing the adoption of emerging technologies applied to some of the most challenging business problems across telecommunications, automotive, transportation and logistics, retail and utilities markets. Prior to joining OmniSci, Nohyun held roles as the Vice President of Solution Engineering at Kinetica, Director of Commercial Solutions at GeoDecisions and Lead Solution Engineering roles at Esri.

Rebecca Kao

VP of Global Campaigns & Demand Generation Marketing

Rebecca is OmniSci’s VP of Global Campaigns & Demand Generation Marketing and currently leads the OmniSci marketing team. She oversees marketing’s efforts to grow awareness and adoption of the OmniSci platform. Rebecca joined OmniSci and helped launch the product in 2016. Prior to OmniSci, she served as the Director of Marketing Analytics at Ogilvy & Mather Singapore, where she led the optimization of marketing campaign performance on 20+ global brands. She’s also worked in digital marketing at Ogilvy & Mather New York, Universal McCann San Francisco, and an ad network in San Francisco.

Board of Directors

Todd Mostak

Chief Executive Officer & Board Member

Todd is the CEO and Founder of OmniSci Inc. Todd built the original prototype of OmniSci after tiring of the inability of conventional tools to allow for interactive exploration of big datasets while conducting his Harvard graduate research on the role of Twitter in the Arab Spring. He then joined MIT as a research fellow focusing on GPU databases before turning the OmniSci project into a startup.

Greg Papadopoulos

Board Member

Greg Papadopoulos, PhD is a Venture Partner at New Enterprise Associates (NEA). Prior to NEA, Greg was EVP and CTO of Sun Microsystems, where he guided the company’s $2B R&D portfolio. Before Sun, Greg was an Associate Professor of EECS at MIT, where he worked on massively parallel dataflow computing architectures. He also helped found a number of companies, from video conferencing (PictureTel) to computational fluid dynamics (NASDAQ:EXA), and was an engineer with HP and Honeywell. Greg holds an undergraduate degree from UCSD and an SM and PhD from MIT. He also a Senior Fellow of the American Leadership Forum.

Moe Kermani

Board Member

Moe Kermani, Ph.D. is Managing Partner at Vanedge Capital, focusing on investments in the areas of cloud computing, infrastructure software, security, open source businesses, and vertical market solutions. Prior to Vanedge, Moe was a Vice President of NetApp (NTAP:NASDAQ), a leading provider of enterprise data storage solutions. Prior to that Moe was President and CEO of Bycast Inc., the world leader in storage virtualization software for large scale digital archives and storage clouds.

Sam Madden

Board Member & Advisor

Samuel Madden is Professor of Electrical Engineering and Computer Science in MIT's Computer Science and Artificial Intelligence Laboratory. His research includes databases, distributed computing, and networking. Madden heads the Intel Science and Technology Center for Big Data, and BigData@CSAIL, an initiative to unite researchers at MIT and leaders from industry. Madden received his PhD from the University of California at Berkeley and is the recipient of awards including an NSF CAREER Award, a Sloan Foundation Fellowship, best paper awards in VLDB 2004 and 2007, and a best paper award in MobiCom 2006.

Kristina Serafim

Board Observer

Kristina is a Director at Verizon Ventures. She joined Verizon Ventures from Verizon’s Big Data and Artificial Intelligence product team. Prior to Verizon, Kristina was a Director at Intellectual Ventures, where she led investments in machine learning, media, advertising, and gaming technologies. Kristina’s entrepreneurial experience includes co-founding and leading two software companies, from their inception to acquisition. Kristina also spent several years on the strategy and corporate development teams at IBM and at NAGRA Innovations. She received an electrical and mechanical engineering degree from Kettering University and an MBA from Harvard University.

Jeff Herbst

Board Observer

Jeff has served as Nvidia’s VP of business development since 2001. He leads our worldwide business development efforts, including overall ecosystem development, mergers and acquisitions strategy, investments, partnerships, and other strategic business relationships and transactions. Previously, Jeff was the worldwide head of corporate and business development at AltaVista, and earlier in his career was a partner with the law firm of Wilson Sonsini where he specialized in corporate and intellectual property law matters. Jeff has a B.S degree in Computer Science from Brown University, and a law degree from Stanford Law School.

George Hoyem

Board Observer

George has more than 25 years of entrepreneurial, operations, and venture capital investing experience in high technology companies. George is currently at IQT, the strategic venture capital arm of the Intelligence Community, where he heads up the Enterprise IT investment practice area. This investment area includes companies targeting solutions in Advanced Analytics, Cyber Security, Data Center Infrastructure, Cloud and Mobile focused technologies. Hoyem has led close to 20 investments at IQT across these investment areas. He has also backed, supported, and served on the boards of several dozen emerging technology companies over his career. Mr. Hoyem also serves on the Board of Directors of the National Venture Capital Association, the venture capital community’s flagship trade association where he advocates for issues relevant to corporate and strategic investors.


Tom Reilly


Tom has a distinguished 30-year career in the enterprise software market. Tom is currently a board member for Jive Software, Ombud, ThreatStream, Cloudera and is now an Advisory Board member for OmniSci. Previously he was CEO of Cloudera. Previous to Cloudera Tom served as vice president and general manager of enterprise security at HP. Before HP, Tom served as CEO of enterprise security company ArcSight, which HP acquired in 2010. Tom led ArcSight through its successful initial public offering and subsequent sale to HP. Tom graduated from the University of California, Berkeley, with a bachelor’s of science degree in mechanical engineering.

Jeffrey Heer


Jeffrey Heer works on visualization, human-computer interaction and social computing. His research investigates the perceptual, cognitive and social factors involved in making sense of data, resulting in new interactive systems for visual analysis and communication. The tools developed by his lab are used by researchers, corporations and thousands of data enthusiasts around the world. In 2009 Jeff was named to MIT Technology Review's TR35; in 2012 he was named a Sloan Foundation Research Fellow. He holds BS, MS and PhD degrees in Computer Science from the University of California, Berkeley.

John Owens


John Owens is the Child Family Professor of Engineering and Entrepreneurship in the Department of Electrical and Computer Engineering at the University of California, Davis. At UC Davis, John leads a research group with a primary focus on GPU computing. He is an NVIDIA CUDA Fellow, cotaught Udacity's massively open online course (MOOC) "Introduction to Parallel Programming with CUDA" in 2013, and won the 2004 Department of Energy Early Career Principal Investigator Award. John earned PhD and MS degrees in electrical engineering from Stanford University and his BS in electrical engineering and computer sciences from the University of California, Berkeley.

Kevin Salvadori


Kevin is an experienced technology executive with a strong track record of innovation and delivery in companies ranging from start-ups to large multi-nationals. He is currently the President of Clearbay Technology Inc., an investment and advisory company. Previously, Kevin was the Director – Group Technology Strategy and Operations at Vodafone, where he led the development of technology strategy and R&D for both networks and IT. He also managed Vodafone’s technology security, shared services, global network, and data centres. In his prior role at Vodafone, Kevin served as the CTO of the UK and Ireland. Vodafone is one of the largest service providers in the world with over 400m customers globally. Before joining Vodafone, Kevin was Executive Vice President Business Transformation and Technology Operations at TELUS, one of Canada’s largest fixed and mobile services companies. He joined TELUS in 2000 following the acquisition of Clearnet, where he was an executive. Kevin holds a B.A.Sc. from the University of Waterloo.