Fahri Diner

Managing Director, Sigma Partners
Zürich Metropolitan Area,Switzerland
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Who Is Fahri Diner?

Total Experience131 years
CompanySigma Partners
CountrySwitzerland

Fahri Diner is a visionary serial entrepreneur and the Founder and CEO of Plume, a pioneering company in the field of Smart Home Services. With a career spanning over three decades in the technology and telecommunications industries, he is renowned for his ability to identify market shifts and build disruptive companies. Before Plume, Fahri founded Qtera Corporation, an optical networking innovator, which was acquired by Nortel Networks for $3.25 billion. He also served as President and CEO of Sirenza Microdevices, guiding it through a successful IPO and a subsequent $900 million acquisition. As a prolific inventor holding over 200 patents, Fahri's work consistently focuses on solving complex engineering challenges with elegant, scalable, and data-driven solutions that redefine user experiences.

How Did Fahri Diner's Career Path Shape Their Journey?

Fahri Diner's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:

Sigma Partners - Managing Director(2006 to Present)
Skipstone - Founder and Proprietor(2001 to Present)
Tula Technology Inc. - Board Member(2010 to Present)
Kateeva - Board Member(2008 to Present)
Plume Design, Inc - Founder and CEO(2014 to 2024)
R2 Semiconductor - Board Member(2008 to 2021)
Quantenna Communications - Board Member(2007 to 2017)
View - Board Member(2007 to 2017)
Menara Networks - Board Member(2004 to 2015)
EchoFirst (formerly PVT Solar) - Board Member(2010 to 2013)

What Are Fahri Diner's Key Achievements?

Founder & CEO of Plume

Founded Plume in 2015, creating the world's first SaaS experience platform for Communication Service Providers (CSPs) and their subscribers. Under his leadership, Plume has scaled globally, powering tens of millions of smart homes and businesses with adaptive WiFi, robust cybersecurity, and personalized services.

Founder of Qtera Corporation

Co-founded Qtera Corporation, which pioneered the world's first all-optical long-haul transport system. The company's groundbreaking technology led to its landmark acquisition by Nortel Networks in 2000 for $3.25 billion.

President & CEO of Sirenza Microdevices

Led Sirenza Microdevices, a supplier of radio frequency (RF) components, through significant growth, a successful IPO, and its eventual acquisition by RF Micro Devices in 2007 for approximately $900 million.

Prolific Inventor and Patent Holder

Holds over 200 patents in diverse fields including optical networking, wireless systems, and cloud-controlled platforms. His inventions form the technical foundation of the companies he has built, showcasing his deep expertise and commitment to innovation.

What's Fahri Diner's Educational Background?

BSc, Electrical Engineering

Florida Institute of Technology - Year 1985

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Company Overview

Sigma Partners
Total employees25
HeadquartersMenlo Park
Founded1984

Sigma Partners was a prominent American venture capital firm founded in 1984. The firm focused on early-stage investments in technology companies, including software, communications, and healthcare IT. Over its history, Sigma Partners raised approximately $2 billion across eight funds and backed numerous successful startups. The firm ceased new investment activities around 2012, with its partners subsequently forming two separate successor firms: Sigma Prime Ventures on the East Coast and Sigma West on the West Coast.

Sigma Partners Funding Information
Unknown - Total Funding Raised
$400M - Most recent funding amount
8 - Number of funding rounds
Jan 1, 2007 - Latest funding round
Lead Investors:
As a venture capital firm, Sigma Partners raised capital from Limited Partners (LPs) for its funds, rather than having traditional investors in the company itself. These LPs are typically not disclosed publicly.

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