Vladimir Shmunis

Chief Executive Officer at RINGCENTRAL, INC.

Net worth: 247 M $ as of 2026-05-30

66 year

34 connections

Electronic Technology

Technology Services

Consumer Services

Profile

Founder of RingCentral, Inc. and Ring Zero Systems, Inc., Vladimir G. Shmunis holds the position of Chairman & Chief Executive Officer of RingCentral, Inc. He previously was President & Chief Executive Officer at Ring Zero Systems, Inc. and Director-Software Development at Ampex Corp. Mr. Shmunis received an undergraduate degree and a graduate degree from San Francisco State University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
RINGCENTRAL, INC. 55.13%	2026-03-30	5,471,618 ( 55.13% )	237 M $	2026-05-30
RINGCENTRAL, INC. CLASS A 0.31%	2026-06-15	230,071 ( 0.31% )	10 M $	2026-05-30

Vladimir Shmunis active positions

Companies	Position	Start
RINGCENTRAL, INC.	Chief Executive Officer	2023-12-07

All active positions of Vladimir Shmunis

Former positions of Vladimir Shmunis

Companies	Position	End
Ring Zero Systems, Inc.	Chief Executive Officer	1997-12-31
AMPEX CORPORATION	Corporate Officer/Principal	-

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Training of Vladimir Shmunis

Experiences
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Linked companies

Private companies	4
Ampex Corp. Ampex Corp. Electronic Equipment/InstrumentsElectronic Technology Designs and manufactures scanning recording devices and digital image processors	Electronic Technology
RingCentral, Inc. RingCentral, Inc. Packaged SoftwareTechnology Services Provides software as a service solutions for business communications	Technology Services
San Francisco State University San Francisco State University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Ring Zero Systems, Inc.