Company

Leadership

  • Executive Team
  • Board of Directors

Vlad Shmunis

CEO, Founder and Chairman of the Board

Vlad Shmunis founded RingCentral in 1999 and launched RingCentral's cloud business phone service in 2003. He developed the service based on the need he saw among businesses for an alternative to inflexible and expensive hardware-based phone systems.

Since founding RingCentral, Shmunis has led the company in reimagining business communications. Today, the company empowers hundreds of thousands of businesses and their employees to work with unparalleled freedom and in imaginative new ways, via a wide variety of mobile and fixed line devices in traditional as well as dispersed work environments.

Shmunis has more than 25 years of industry and management experience. Prior to launching RingCentral, he founded and served as the CEO of Ring Zero Systems, a desktop software communications company. After shipping more than 25 million copies of its Windows software through partnerships with leading PC manufacturers, Ring Zero Systems was acquired by Motorola.

Shmunis was named the Ernst & Young Entrepreneur Of The Year® 2011 Northern California Award finalist. He holds bachelor's and master's degrees in computer science from San Francisco State University, and is a named inventor in a number of U.S. patents.

David Berman

President

David Berman is president of RingCentral where he provides leadership across the business to develop, communicate, and implement RingCentral’s vision, mission, and overall strategic direction. With more than 20 years of experience in the software technology industry, Berman is known for his innovative, highly successful sales and go-to-market strategies as well as his expertise leading high-performing organizations.

Prior to joining RingCentral, he served as president and CEO of Affectiva, Inc., the global standard for real-world accuracy and relevance in emotion analytics. Here Berman developed the Affex SaaS platform for facial coding based on innovative research from Massachusetts Institute of Technology (MIT).

Before that, Berman was president of Worldwide Sales and Services at WebEx Communications, a position that he held through the acquisition of the company by Cisco. In that role, he was responsible for WebEx's revenue plan, and the go-to-market strategy. A pioneer in the SaaS industry, Berman created and implemented the revolutionary web-touch sales and support model, which was key to the company's 100X revenue growth.

Along with his role at RingCentral, Berman is a member of the boards of directors at Affectiva, WatchDox and ooVoo. He holds a bachelor’s degree in business administration from the University of San Diego.

Clyde Hosein

Executive Vice President and Chief Financial Officer

Clyde Hosein is the executive vice president and chief financial officer at RingCentral, where he leads finance. Prior to RingCentral, Clyde was chief financial officer of Marvell Technology Group. Clyde also served as Marvell's Chief Operating Officer for a period of time. Prior to Marvell, Clyde served as CFO of IDTI, and Candescent - a display start-up. Earlier in his career he held engineering, operations and finance positions at IBM. Clyde is a highly regarded executive in the technology industry and is well-known by the investment community. He was named by Institutional Investor as one of the top 3 CFOs in the semiconductor industry for three years in a row. He also sits on the board of directors of Cree Inc., a publicly traded company that develops and manufactures LED products. Mr. Hosein holds an MBA from New York University Stern School of Business and a BS in industrial engineering from Polytechnic University in New York.

Kira Makagon

Executive Vice President of Innovation

As RingCentral's executive vice president of innovation, Kira Makagon leads product strategy, product management, engineering and operations. She has more than 20 years of product strategy, global technology management and senior leadership experience. Prior to joining RingCentral, Makagon founded and served as the president of Red Aril, a pioneer in real-time audience and media optimization solutions, which was acquired by iCrossing, a Hearst company. Prior to that, Makagon co-founded and held key executive positions in flagship online marketing and CRM companies, including Octane Software, which was acquired by E.piphany, and Scopus Technology, where she led multiple generations of CRM products to market.

Makagon holds a bachelor’s degree in computer science from the University of California-Berkeley and a master’s degree in business administration from the Haas School of Business at the University of California-Berkeley.

Dave Sipes

Executive Vice President of Marketing and International Business

David Sipes is the executive vice president of marketing and international business at RingCentral. He is a technology entrepreneur with rich sales and marketing expertise in the B2B sector. Before joining RingCentral, Sipes co-founded Branders.com, the nation’s largest online B2B seller of promotional items. He served as the company's COO for nine years. Before that, Sipes worked in brand management at Pepsi-Cola and was a principal at Booz Allen Hamilton. At Booz Allen, Sipes worked in the marketing intensive group, providing strategic guidance to marketing and media companies such as Heinz Corporation, Callaway Golf and Universal Pictures.

Sipes holds a master’s degree in business administration from Northwestern University's Kellogg School of Management, with an emphasis in marketing, as well as a bachelor’s degree in business from the University of California-Berkeley.

Praful K. Shah

Senior Vice President of Strategy

Praful Shah, the senior vice president of strategy for RingCentral, is responsible for defining the company’s business, product and marketing strategy. Shah brings more than 20 years of experience with major technology companies in the software and cloud industries. Before joining RingCentral, Shah worked at WebEx from its founding days until its acquisition by Cisco in 2007. At WebEx, Shah held various executive management positions, including vice president of strategic communications, online products, product marketing and business development. Shah previously served as the senior director of marketing for the Internet Products and Database Products Divisions at Oracle. Prior to joining Oracle, Shah held senior-level positions at Tandem Computers in product marketing and performance engineering.

Shah holds a bachelor’s degree in electronics and communications engineering from the Manipal Institute of Technology in India and a master’s degree in computer science from Pennsylvania State University.

Ryan Azus

Senior Vice President of Worldwide Sales

As RingCentral's senior vice president of worldwide sales, Ryan Azus is responsible for growing the company’s sales channels and developing new markets. He has 12 years of executive-level experience in the Internet and software-as-a-service industries. Prior to joining RingCentral, Azus worked at both Cisco and WebEx. As WebEx's vice president of online sales, he successfully drove sales to help the company grow from an early-stage startup to a public company. He was a key contributor to WebEx's success from a pre-IPO company in 2000 through its acquisition by Cisco Systems.

Azus holds a bachelor’s degree in finance and marketing from California Polytechnic State University at San Luis Obispo.

John Marlow

General Counsel and Senior Vice President of Corporate Development

John Marlow serves as RingCentral's general counsel and senior vice president of corporate development, where he oversees business and legal affairs. Before joining RingCentral, Marlow was the founding and managing partner of Entrepreneurs Law Group (ELG), a boutique law firm based in San Francisco specializing in corporate, securities, tax and intellectual property matters. Before founding ELG, Marlow was a partner in the San Francisco office of Reed Smith, a full-service international law firm.

Marlow received his law degree from Boalt Hall School of Law at the University of California-Berkeley, and a bachelor’s degree, summa cum laude, from Colgate University.

Vlad Vendrow

Co-Founder and Chief Technology Officer of RingCentral

Vlad Vendrow is the co-founder and chief technology officer of RingCentral, where he is the key architect of the RingCentral cloud phone solution. In this position, he is responsible for enabling RingCentral’s innovation while maintaining overall design to ensure the scalability and availability of the RingCentral solution.

Prior to RingCentral, Vendrow served as the director of engineering at Ring Zero Systems and Motorola. His accomplishments include leading the development of the Ring Zero phone and fax communications software that shipped over 25 million copies worldwide.

Vendrow has been granted more than a dozen patents in the areas of unified communications, fixed-mobile convergence and cloud services. He holds a master’s degree in computer science and applied mathematics from Saint Petersburg Electrotechnical University in Saint Petersburg, Russia.

Walt Weisner

Senior Vice President of Global Customer Care

Walt Weisner is the senior vice president of global customer care at RingCentral, where he is responsible for delivering global customer care to RingCentral’s customers and partners. Walt is an experienced SaaS executive with a track record of building world-class service and support organizations focused on delivering success for both small businesses and enterprise customers. Most recently Walt served as Senior VP of Global Customer Care at Good Technology. There, he developed and scaled key functional areas, including customer- and partner-satisfaction programs and worldwide customer care, and he also led the company’s cross-functional customer-experience initiatives. Prior to Good Technology, Walt held executive leadership positions at ServiceNow, Shoretel, and WebEx where he was responsible for building and scaling first rate post-sales service and support teams. This included worldwide technical support, training & certification, installed base-account management, customer retention, and voice-of-the-customer programs. He also led similar teams at InternetConnect and Nextel.

Richard Borenstein

Senior Vice President of Business Development

Richard Borenstein, the senior vice president of business development for RingCentral, is responsible for identifying and enabling key strategic relationships that power rapid revenue growth and market adoption. A true entrepreneur with unlimited energy and drive, Borenstein has built an extensive worldwide executive network. He has built a repeated record of driving revenue and mutually beneficial long-term partnerships, which have helped accelerate the growth and success of early stage companies such as Airborne Entertainment, Baynote, Zong, and most recently ItsOn. In addition, he also has deep experience operating at scale with market-leading organizations such as Bell Canada and PayPal. He excels in both U.S. and international market expansion, Enterprise sales strategies, recruiting and team building.

Richard holds a Bachelor of Arts degree in Political Science from McGill University.

Vlad Shmunis

Chief Executive Officer, Founder and Chairman of the Board at RingCentral

Vlad Shmunis founded RingCentral in 1999 and launched RingCentral's cloud business phone service in 2003. He developed the service based on the need he saw among businesses for an alternative to inflexible and expensive hardware-based phone systems.

Since founding RingCentral, Shmunis has led the company in reimagining business communications. Today, the company empowers hundreds of thousands of businesses and their employees to work with unparalleled freedom and in imaginative new ways, via a wide variety of mobile and fixed line devices in traditional as well as dispersed work environments.

Shmunis has more than 25 years of industry and management experience. Prior to launching RingCentral, he founded and served as the CEO of Ring Zero Systems, a desktop software communications company. After shipping more than 25 million copies of its Windows software through partnerships with leading PC manufacturers, Ring Zero Systems was acquired by Motorola.

Shmunis was named the Ernst & Young Entrepreneur Of The Year® 2011 Northern California Award finalist. He holds bachelor’s and master’s degrees in computer science from San Francisco State University, and is a named inventor in a number of U.S. patents.

Doug Leone

Partner at Sequoia Capital

Doug Leone works with mobile, Internet, software and communication companies. Prior to joining Sequoia Capital in 1988, Leone held sales and sales management positions at Sun Microsystems, Hewlett-Packard and Prime Computer. He has a BS in Mechanical Engineering from Cornell University, an MS in Industrial Engineering from Columbia University, and a MS in Management from the Massachusetts Institute of Technology.

Rob Theis

Managing Director at Scale Venture Partners

Rob Theis invests in technology infrastructure and applications companies at ScaleVP. He currently serves on the boards of BrightRoll, HubSpot and Scale Computing.

Prior to joining ScaleVP in 2008, Theis was a general partner with Doll Capital Management and invested in leading companies such as Jaspersoft, NeoPath Networks (Acq: Cisco), PGP Corporation (Acq: Symantec), Roamware, VanceInfo (NYSE: VIT), Tapulous (Acq: Disney) and Wikinvest. Before that, he served as executive vice president for New Era of Networks, where he grew the company to $200 million in revenues and helped lead NEON through a successful IPO. Prior to NEON, Theis spent 10 years in executive roles at Sun Microsystems, where he drove growth in a series of new strategic initiatives, including Sun's success in the Financial Services Industry sector. Rob Theis’ previous experience includes launching Silicon Graphics' initial workstations and selling timesharing services for McDonnell Douglas (now Boeing).

Theis holds a BA in Economics from the University of Pittsburgh. In his spare time, he is a Sheriff, cliff/mountain rescue specialist and rescue diver. He also serves on the board of University of Pittsburgh AA and the board of Royal Bank of Canada’s investment committee.

David Weiden

Partner at Khosla Ventures

David Weiden is a Partner at Khosla Ventures. His investment focus includes Internet software, digital media services, and communications. A number of Weidan’s investments have been significant acquisitions or had IPOs including Bitfone (HPQ), Good Technology (MOT), GroupMe (Skype/MSFT), Ingenio (T), LogMeIn (LOGM), Opsware (HPQ), Slide (GOOG), and Tellme (MSFT). He has been recognized by Fortune and Forbes as one of the top rising tech investors.

R. Neil Williams

Senior Vice President and Chief Financial Officer at Intuit

R. Neil Williams became Intuit’s senior vice president and chief financial officer in January 2008. Williams has nearly 30 years of strategic, operational and transactional experience in the financial services industry. He is responsible for all financial aspects of the company, including corporate strategy and business development, investor relations, financial operations and real estate.

Before joining Intuit, Williams was the executive vice president and chief financial officer for Visa U.S.A., Inc. In that role, he led all financial functions for the company and its subsidiaries, including financial planning, business planning and financial monitoring. Williams concurrently served as chief financial officer for Inovant LLC, Visa's global information technology organization, responsible for global transactions processing and technology development.

His previous banking experience includes senior financial positions at commercial banks in the Southern and Midwestern regions of the United States.

Williams, a certified public accountant, received his bachelor’s degree in business administration from the University of Southern Mississippi.

Dr. Bobby Yerramilli-Rao

Co-founder and Partner at Hermes Growth Partners

Bobby Yerramilli-Rao is co-founder and partner at Hermes Growth Partners, focusing on growth stage investment opportunities in the TMT sector.

He has served as Marketing and New Businesses Director for Vodafone Internet Services, the division of Vodafone responsible for consumer data services and data related revenues globally.

Yerramilli-Rao joined Vodafone as Corporate Strategy Director, responsible for formulating the strategy for the Group. He has served on the investment committee of Vodafone Group and has represented the company at the GSMA Board.

Before Vodafone, he was a partner at McKinsey and Company in Palo Alto, New York and London, focused on telecoms, new media and high tech. He holds an M.A. in Electrical Engineering from the University of Cambridge, and a DPhil in Robotics from the University of Oxford. He has held research positions at the University of California at Berkeley, and has worked as an engineer at GEC Research.