RingCentral CEO and leadership

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.

I am the co-founder and chief technology officer of RingCentral, where I am the key architect of the RingCentral cloud business communications solutions. Before this, I served as the director of engineering at Ring Zero Systems and Motorola, where I led the development of the Ring Zero phone and fax communications software. I have been granted more than a dozen patents in the areas of unified communications, fixed-mobile convergence and cloud services.

Vaibhav Agarwal is a SVP & Chief Accounting Officer at RingCentral Inc and is based in San Francisco, California. He has worked as Assistant Corporate Controller (Programmable Solutions Group) formerly Altera at INTEL CORP; Director, Corporate Accounting at INTUITIVE SURGICAL INC; and Senior Manager, Assurance at Pricewaterhouse Coopers (PwC). Vaibhav attended The Institute of Chartered Accountants of India between 1996 and 1999, California Board of Accountancy between 2007 and 2007, and Delhi University between 1993 and 1996.

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.

I am the co-founder and chief technology officer of RingCentral, where I am the key architect of the RingCentral cloud business communications solutions. Before this, I served as the director of engineering at Ring Zero Systems and Motorola, where I led the development of the Ring Zero phone and fax communications software. I have been granted more than a dozen patents in the areas of unified communications, fixed-mobile convergence and cloud services.

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.