Ms. Makagon brings to the Board extensive experience in global platform strategy, technology, cybersecurity, operations and high technology executive leadership. Since February 2025, Ms. Makagon has served as president and chief operating officer at RingCentral, Inc., a publicly-held provider of cloud-based global collaborative communications solutions, and previously served as RingCentral's executive vice president and chief innovation officer from July 2019 until February 2025, and executive vice president of innovation from August 2012 to July 2019. From January 2012 to July 2012, Ms. Makagon served as the senior vice president of products of iCrossing, a global digital marketing agency owned by Hearst Corporation. From June 2009 to December 2011, she held various executive leadership roles at Red Aril, Inc., an online media technology company, serving as founder, chief executive officer and member of the board of directors from June 2009 to April 2010, and president from April 2010 to December 2011. Prior to joining Red Aril, Ms. Makagon held various executive leadership roles at NebuAd, Inc., an online data and media company, serving as co-founder and president from September 2006 to July 2008, chief executive officer from August 2008 to December 2008, and consultant and board member from January 2009 to May 2009. Ms. Makagon has also served in various roles at Exigen Group, a provider of SaaS workflow platforms and call center solutions, including president, ventures and alliances, and executive vice president, marketing and business development, as well as serving on the board of directors. Prior to that, Ms. Makagon co-founded and held key executive positions in flagship online marketing and CRM companies, including Octane Software, which was acquired by E.Epiphany, and Scopus Technology, where she brought multiple generations of CRM products to market. Ms. Makagon holds a Bachelor of Science in computer science and a Master of Business Administration from the University of California, Berkeley.