About Us

Founded in 2008 and based in Palo Alto, California, Machine Zone, Inc. (formerly Addmired, Inc.) is a technology-focused mobile gaming company building the best global real-time hardcore MMOs. Winner of the 2010 Crunchies Award (TechCrunch), we have had over 50 million downloads and over 15 successful top grossing titles, including previous hits such as iMob, Original Gangstaz, and Global War. Our current top grossing title, Game Of War – Fire Age, is the #1 Grossing iOS Game in 30 countries and Top 5 Grossing in over 80 countries. With exploding revenue growth and an unwavering focus on technological innovations, we are always looking for exceptional talents from around the world to help build a great gaming company. We are a Y-Combinator company that operates profitably with two rounds of funding from Anthos Capital, Baseline Ventures and Menlo Ventures.


Gabriel Leydon, Chief Executive Officer & Co-Founder
Gabriel Leydon co-founded Machine Zone (formerly known as Addmired) and has served as its Chief Executive Officer since January 2008.  Mr. Leydon is the company’s visionary and overseas product design, monetization, recruiting as well as all levels of operations.  Under Mr. Leydon’s direction, Machine Zone has changed the face of mobile gaming with its most recent game, “Game of War – Fire Age”, a real-time mobile massively-multiplayer online game and parallel chat-speak translation application that translates over 40 languages for its players in real-time, connecting game players around the globe at the same time in a single virtual universe.  Prior to co-founding Addmired, Mr. Leydon spent seven years in the coin-op arcade business at companies such as Atari, Tsunami Visual and Global VR.  From 2006 to 2007, Mr. Leydon designed, from concept to completion, the “America’s Army” arcade game, the very first arcade game designed for the U.S. Army.  With support from the Pentagon and the U.S. Armed Forces, Mr. Leydon launched a successful advertising campaign with a 24/7 running commercial for the Army in highly trafficked areas such as movie theaters and arcades.  As a prominent figure in the games industry, Mr. Leydon has had speaking engagements at high-profile industry conferences such as the Games Developers Conference, MobileBeat, Casual Connect, and Inside Social Apps and has been featured in the media with such publications as The Wall Street Journal, New York Times, TechCrunch and VentureBeat.


Halbert Nakagawa, Chief Technology Officer, Games & Co-Founder
Halbert Nakagawa co-founded Machine Zone (formerly known as Addmired) and has served as its Chief Technology Officer since January 2008.  Mr. Nakagawa is responsible for the technology, game engineering, and 24/7 server operations that optimize, support and run all of Machine Zone games.  From 2006 to 2008, Mr. Nakagawa was a Senior Software Engineer at Global VR, where he was the lead developer for the technology platform and tools that shipped titles such as “PGA World Tour Golf”, “NASCAR”, “Vortek II” and “Need for Speed: Carbon”.  Prior to Global VR, Mr. Nakagawa was a Software Engineer at Signature Devices, a company that built military simulations and first-person shooter games, where he was responsible for writing multiple tiers of their proprietary game engine including the Sound System, User Interface System, and tools integration.  Mr. Nakagawa holds a B.A. in Applied Mathematics with an emphasis in Computer Science from the University of California, Berkeley.


Francois Orsini, Chief Technology Officer, Platform
Francois Orsini is currently the Chief Technology Officer for Machine Zone’s Platform business unit.  Mr. Orsini joined Machine Zone in January 2010 as Vice President of Platform Engineering and Chief Architect, bringing his expertise in building server-side architecture and implementing next-generation social and server platform technology.  Under Mr. Orsini’s leadership, Machine Zone’s patent-pending platform and its capability to massively scale real-time messaging are primed to power the next generation of web and mobile applications.  With a career spanning over 20 years, Mr. Orsini has extensive experience working with database and infrastructure development, honing his expertise in distributed data management systems, scalability, security, resource management, HA cluster solutions, soft real-time and connectivity services.  From 2005 to 2010, Mr. Orsini served as Database Architect at Sun Microsystems.  In addition, he has served as Senior Staff Engineer and Architect at such companies as Oracle, Sybase, Cloudscape and CenterBoard.  Mr. Orsini also collaborated with Visa International and Visa USA to implement the first Visa Cash Virtual ATM for the Internet and in 1999, founded a VC-backed startup called Unikala, designing and building a cutting-edge, specialized Java rules engine for e-Business applications and web services.


Deepak Gupta, Chief Revenue Officer
Deepak Gupta serves as Machine Zone’s Chief Revenue Officer and has been with the company since March 2011. Mr. Gupta is responsible for user acquisition, monetization, and business intelligence.  Under Mr. Gupta’s leadership, Machine Zone has transformed user acquisition into a strictly rules-based, data and performance-driven science capable of efficiently managing hundreds of channel partners and driving massive growth and scale for Machine Zone’s games.  From 2009 to 2011, Mr. Gupta was VP of Business Operations at Outspark, a leading publisher of free-to-play, MMO games, where he was in charge of performance-driven user acquisition, retention, business development as well as business intelligence and analytics.  From 2008 to 2009, Mr. Gupta led strategy, planning and business operations for Electronic Arts (EA) Online as Director of Strategy & Planning.  Prior to EA, Mr. Gupta founded a mobile social games company called Hovr, where he formed partnerships with over 60 game developers to offer a library of more than 700 mobile games to a social community of several million users in a freemium and ad-supported model. Earlier in his career, Mr. Gupta was a technology venture investor at Technology Crossover Ventures, and a technology investment banker at Credit Suisse First Boston, Donaldson, Lufkin & Jenrette, and Wasserstein Perella.  Mr. Gupta holds a B.A. in Economics and Mathematics from the University of Rochester.


Ed Lu, Chief Financial Officer
Ed Lu is the Chief Financial Officer at Machine Zone and is responsible for finance, human resources, talent acquisition, IT / facilities, business operations, and general corporate matters.  Mr. Lu joined the company as VP of Finance and Administration in December 2011 coming off of his own entrepreneurial venture he co-founded and incubated.  From 2010 to 2011, Mr. Lu was the CFO and VP of Operations at A Bit Lucky (acquired by Zynga), a social gaming startup backed by free-to-play gaming inventor, Nexon Co., among other notable investors such as Accel Partners, Rembrandt, Blumberg, SV Angel, Founder Collective, Felicis Ventures, Lerer Ventures, XG Ventures and many more.  From 2007 to 2010, he was the Director of Finance at Gazillion Entertainment, a MMO developer and publisher created by gaming legend John Romero and funded by Oak Investment, Hearst Interactive and Temasek. Prior to his time in gaming, Mr. Lu spent 8 years in finance roles for public semiconductor and systems manufacturing companies such as Altera and Omneon (acquired by Harmonics). Mr. Lu holds a B.A. from University of California, Berkeley in Economics and a M.S. from Stanford University in Management Science & Engineering with an emphasis in entrepreneurial finance and strategy, winning the 2006 BASES E-Challenge business plan competition.


Mike Sherrill, Creative Director & Co-Founder
Mike Sherrill co-founded Machine Zone (formerly known as Addmired) and has served as the company’s Creative Director since January 2008.  Mr. Sherrill is responsible for visual design, art / graphics, player community management, and quality assurance / user testing of all of Machine Zone’s games.  From 2006 to 2009, Mr. Sherrill was the founder, curator, art designer, editor, and writer for a premiere PR5 music site with a focus on independent music.  During that time, Mr. Sherrill also served as an advisor for Fuzz.com, a company founded by Jeff Yasuda, the former CFO of Redwood Ventures, where he led the adoption and advocacy of a new digital music widget / advertising platform for which Mr. Sherrill received media recognition from the San Francisco Chronicle.  Prior to that, Mr. Sherrill cut his teeth in the video game industry working as a Lead QA Manager at Atari Games.


Jong Woo, VP of Business Development
Jong Woo joined Machine Zone in December 2013 as its VP of Business Development and is responsible for driving growth in new and existing markets by strategically identifying, building and nurturing key partnerships within the mobile ecosystem globally.  Prior to joining Machine Zone, Mr. Woo was VP of Business Development & Strategic Partnerships at King, a leading social / mobile game publisher and the creators of the popular mobile game “Candy Crush Saga”, where he led the company’s business development, partnerships, licensing, distribution and marketing / PR initiatives.  From 2009 to 2011, Mr. Woo was Sr. Director, Business Development at Blockdot, a digital agency providing consultative solutions around games and gamified experiences to Fortune 500 companies such as PepsiCo, Unilever, McDonalds and Viacom.  Earlier in his career, Mr. Woo was President of Gamelab, an award-winning independent games studio best known for its hit casual game franchise “Diner Dash”, a co-founder of a flash memory product distribution company created as a joint venture with Hana Micron Limited, and an investment banker in the Structured Finance Group at Macquarie Bank.  Mr. Woo holds a B.A. in Political Science and Economics from Princeton University and a MBA in Marketing from NYU Stern School of Business. With over 10 years of experience in the games industry, Mr. Woo has spoken at industry events and conferences such as Games Developers Conference, Casual Connect, SXSW, Inside Facebook Marketing, and the Mobile UA Fellowship.


Brendan Burke, VP of Research and Design
Brendan Burke joined Machine Zone in October of 2013 as VP of Research and Design to focus on game economy and integrate data science into design.  Mr. Burke began working in free-to-play games in 2009 as a data scientist for Playnomics, serving as lead for key clients such as Riot Games, Ubisoft, Electronic Arts, Kabam and Nickelodeon.  Most recently, Mr. Burke, as Head of Research and Development, spearheaded the launch of the “PlayRM” platform, managing the design, architecture and deployment of plug-and-play machine learning tools for large-scale audience management.  Previously, Mr. Burke spent 5 years pursuing a career in academic research science, specializing in genetics and molecular evolution.  Mr. Burke earned his B.A. from Stanford University with an interdisciplinary major in Political Science and Human Biology, and stayed on to work as a teaching assistant in biotechnology and bench researcher in bioinformatics through the Genetics Department at Stanford Medical School.   During that time, Mr. Burke was on the founding team of several startups looking at data solutions in diverse sectors including biodefense and vaccine design, high frequency trading, and mobile media recommendations, before making the transition to mobile games.


Robin Kaminsky, Board Advisor
Robin Kaminsky is currently a Board Advisor for Machine Zone.  Ms. Kaminsky is the CEO and co-founder of 1st Street Partners, Inc., a company that provides strategic management services to technology, entertainment and consumer goods companies.  Clients range from startups to multi-billion dollar public companies and include video game publishers and developers, online content companies, e-commerce businesses, film and animation studios, technology providers and consumer goods manufacturers.  Ms. Kaminsky is also an Executive-in-Residence at Rustic Canyon Partners and an independent Director of the Board of Trion Worlds (MMO and online game services and content company) and Ninja Metrics (behavioral analytics).  Ms. Kaminsky is a former advisor to Gai Kai (acquired by Sony in 2012) and a former board member at Wild Planet Entertainment and PowerChallenge.  Prior to founding 1st Street Partners, Ms. Kaminsky was the Executive Vice President of Publishing and the executive leading the global games business at Activision Blizzard, where she oversaw all studio / product development and marketing / business operations, doubling revenue and delivering record profit from 2005 through 2008.  From 1997 through 2005, Ms. Kaminsky was a marketing executive and general manager at PepsiCo.  Earlier in her career, Ms. Kaminsky held strategic planning, brand management, new product development, and marketing services roles at The Coca-Cola Company, Revlon, and Johnson&Johnson.  Ms. Kaminsky received a B.A. from the University of North Carolina, Chapel Hill and was formerly recognized as one of the “Top 100 Women in Entertainment” by The Hollywood Reporter.