Vlad Shmunis

Vlad Shmunis

Chief Executive Officer, Founder, and Chairman of the Board

Vlad Shmunis founded RingCentral with the idea of using the power of cloud technologies to reimagine business communications. By unifying message, video, phone and contact center on a single platform, RingCentral empowers today’s mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. Under Shmunis, RingCentral has evolved from a startup company, funded in 2006 with a $12 million series A round led by Sequoia and Khosla Ventures, to a publicly traded NYSE listed company with a market cap of more than $15 billion.
Shmunis has received numerous leadership accolades, including being named as one of the Top 10 CEOs of a large company, a Best CEO for Diversity, and Best CEO for Women in the 2021 Comparably Awards. He was also named a Best CEO in the 2020 Comparably Awards. Additionally, Shmunis has been named Best CEO in Institutional Investor’s 2021 and 2020 All-America Executive Team. He received the 2020 Unified Communications Leader of the Year award from UC Today, the leading publication for unified communications. Previously, he was named a finalist for the EY Entrepreneur Of The Year™ Award in the Northern California region in 2014 and 2011. Shmunis is also a recipient laureate of Ellis Island Honors Society Award 2021.
RingCentral is recognized as the largest and fastest-growing global pure-cloud communications solutions provider. RingCentral is the top-ranked company in the 2021 Omdia North American UCaaS Leadership Scorecard for four years in a row and is a leader in Frost & Sullivan's 2021 UCaaS Radar Reports for North America for the ninth year in a row. In addition, RingCentral has been named a Leader in the Gartner Magic Quadrant Unified Communications as a Service, Worldwide, in 2015, 2016, 2017, 2018, 2019, 2020, and 2021, and in 2021 received Frost & Sullivan's Leadership Award for excellence in developing effective strategic partnerships in the UCaaS industry.
Prior to launching RingCentral, Shmunis served as the founder and CEO of Ring Zero Systems, where he pioneered desktop business communications software. Ring Zero shipped more than 25 million copies of its software via its partnerships with leading PC manufacturers, including IBM, HP, Sony, Toshiba, and many others. Ring Zero was acquired by Motorola.
Shmunis supports a number of charitable initiatives, including Cancer Research at Stanford University, San Mateo County General Hospital, School of Biomedicine and Cancer Research, as well as the Institute of Anthropology, and various archaeological initiatives at Tel Aviv University.
Shmunis holds a Bachelor's, Magna Cum Laude, and Master's degree in Computer Science from San Francisco State University and is a named inventor on a variety of US patents.