Mr. Kim has served as our Chief Executive Officer and a member of our board of directors since November 2019, and has served as the Chief Executive Officer of DUD since May 2017. He has been on the board of directors of DoubleU Games since 2013, serving initially as an outside director until April 2015, at which time he became an executive director and Chief Strategy Officer. Mr. Kim served as Chief Strategy Officer of DoubleU Games until October 2017. Mr. Kim has expertise in information technology, game business development, and strategic investments. While at DoubleU Games, Mr. Kim led the execution and acquisition of DoubleDown Interactive, LLC and investment in our Company. His prior experience includes cloud computing development, proprietary trading, and corporate mergers and acquisitions. He received a Bachelor of Science in Computer Science from the Korea Advanced Institute of Science and Technology, or KAIST, in 2000.
Mr. Sigrist has served as our Chief Financial Officer and a member of our board of directors since November 2019, and has served as Senior Vice-President and General Manager of DDI-US since April 2015. Prior to joining DDI-US, Mr. Sigrist served as Senior Vice-President, Global Product Development & Operations for IGT from 2012 until 2015, and he was responsible for several key product strategic planning and development functions. Previously, for over twenty years, Mr. Sigrist worked as an executive for a variety of technology companies, holding senior leadership roles in product management, product development, and general management, including at Avaya, Polycom and Lucent Technologies. He has expertise in the areas of leadership, business strategy, product planning, financial management, and corporate mergers and acquisitions. He earned his MBA from Santa Clara University in 1986 and a Bachelor of Science in Mechanical Engineering from Santa Clara University in 1983.
Ms. Kim has served as our Chief Marketing Officer and a member of our board of directors since November 2019 and has served as the Chief Operating Officer of DUD since November 2017. Previously, Ms. Kim served as Chief Operating Officer of our Company from May 2017 to November 2017. Prior to joining our Company, Ms. Kim held various positions in business consulting and software marketing, sales, and operations at IBM Korea since 2000. Most recently with IBM Korea, Ms. Kim held the position of Software Business Unit Sales Leader of IBM Collaboration and Talent Solutions from February 2017 to May 2017, where she developed the business unit’s business strategy and plan, executed sales activities, and was responsible for sales and general administration for that unit. Ms. Kim was promoted to the position of Software Business Unit Sales Leader based on her prior experience as Software Digital Sales Leader from February 2014 to January 2017, where she led a sales team for analytics, cloud, security, social, and commerce in a commercial sales territory representing IBM customers plus white space customers. Ms. Kim received a Bachelor of Science in Industrial Engineering from KAIST in 2000.
Mr. Kim has served as our Chief Data Officer and a member of our board of directors since November 2019 and has served as the Chief Marketing Officer of DUD since May 2017. Mr. Kim joined the board of directors of DoubleU Games in 2013 and, from February 2015 until September 2017, served as an executive director and Chief Marketing Officer of DoubleU Games. Mr. Kim’s experience as executive director and Chief Marketing Officer at DoubleU Games included management of the rapidly growing 50-member organization, overseeing the marketing, platform, communication, design, and quality assurance teams in accordance with the organization’s goals, as well as budgeting, execution of, and collating and reporting results for new and retention marketing campaigns for all games for which DoubleU Games provides services and conducts user acquisition and retention programs. Mr. Kim also participated in the acquisition of DoubleDown Interactive, LLC in 2017. Previously, Mr. Kim was a director of Hulab Co., Ltd. from February 2012 to February 2015. He has worked in the gaming industry for more than four years as a senior executive. Mr. Kim received a Bachelor of Science in Civil, Urban and Geosystem Engineering and a Bachelor of Business Administration from Seoul National University in 2005.
Mr. Cho has served as an independent director since May 20, 2020. Mr. Cho is a vice president at GiantChemical Co., Ltd., a chemical company based in Korea. From 1996 to 2019, Mr. Cho served as a mergers and acquisitions advisor for Korea Investment & Securities. From 2019 to 2020, Mr. Cho served as a partner for Jungjinserim Accounting Firm based in Korea. Mr. Cho is a Korea Certified Public Accountant and received a Master of Business Administration from Yonsei University in 2005. Mr. Cho is sophisticated in financial matters, including financial statements and audits, and is a financial expert.
Mr. Chung has served as an independent director since May 20, 2020. He has worked as Chief Executive Officer of NTT Korea Co., Ltd. since 2019. Mr. Chung previously served as Vice President of Sun Microsystems from 2005 to 2011, as General Manager of IBM Korea Software Group from 2011 to 2014 and as Chief Executive Officer of Dimension Data Korea from 2014 to 2019. Mr. Chung received his Ph.D. in Computer Science from Lehigh University in 1990. Mr. Chung is sophisticated in information technology, including system integration and information & communication technology.
Mr. Kim has served as an independent director since August 26, 2022. He is a Chief Executive Officer of A Driven since 2020. From 2019 to 2022, Mr. Kim served as a Chief Operation Officer for WiderPlanet. From 2017 to 2019, Mr. Kim served as a Co-Founder and Chief Strategy Offer for DigitalFirst and IGAWorks. Mr. Kim received a bachelor of Electrical and Electronic Engineering Department of Computer Science from the Korea Advanced Institute of Science and Technology (KAIST) in 2006. Mr. Kim is sophisticated in advertising technology, including platform/data-based advertising operations, platforms and advertising media business.