We come from places like Facebook, Google, Yahoo!, VMware, Turn, Cloudera, and Quora to solve problems of building, scaling, and running modern infrastructure and applications. Our team has built these kinds of solutions before, to the scale of hundreds of thousands of systems serving hundreds of millions of users. We’re putting that experience to work in the belief that everyone, at every company, should have access to the same kind of capabilities as web scale organizations.

We are hiring!

See open positions


  • Karthik Rau

    Karthik Rau

    CEO and Co-Founder

    Karthik is CEO and Co-founder of SignalFx. Previously he held leadership positions as VP Product Management and Worldwide Marketing at VMware and, most recently, as VP Products and Engineering at Delphix.

  • Phillip Liu

    Phillip Liu

    Co-Founder and Board Director

    Phil is Co-founder and Board Director of SignalFx. Previously he led the development of Facebook’s Infrastructure-as-a-Service platform and several web scale application management platforms. Phil has more than 20 years of experience in distributed systems.

  • Mark Cranney

    Mark Cranney

    Chief Commercial Officer

    Mark is Chief Commercial Officer for SignalFx, leading all go-to-market operations for the company. Prior to joining, he was an operating partner at Andreessen Horowitz (a16z), led WW-field operations for Opsware, and held senior executive positions at Hewlett-Packard. He was also VP President of Americas at other technology companies, including Aster Data Systems (acquired by Teradata) and Parametric Technology Corporation (PTC).

  • Arijit Mukherji

    Arijit Mukherji


    Arijit is CTO at SignalFx. As the first employee of the company, Arijit has spent years designing, developing, and managing many aspects of the product. He has been focused on the monitoring space for more than a decade, in a career that has also spanned IP telephony, VoIP conferencing, and network virtualization. Previously, he was one of the original developers of Facebook’s metrics solution (ODS) and subsequently managed the development of Facebook’s networking tools, data visualization, and other infrastructure monitoring software.

  • Rajesh Raman

    Rajesh Raman

    Chief Architect

    Rajesh is Chief Architect at SignalFx. He is the third employee at SignalFx, and has over 20 years of experience working with large scale distributed systems, cluster management and service monitoring. Rajesh is the architect of the SignalFlow streaming analytics technology. He previously worked at Facebook and Google, where he led cluster management efforts. Rajesh holds a Ph.D. in Computer Science from the University of Wisconsin, where his research centered on distributed resource management for high throughput computing. He is passionate about developing novel ways to handle real-time, distributed computations of streaming time series data.

  • Tom Butta

    Tom Butta

    Chief Marketing Officer

    Tom is Chief Marketing Officer at SignalFx. As a marketing leader and brand strategist, Tom has helped some of the world’s most successful enterprise SaaS companies in rapidly-changing categories achieve the coveted positions of thought leader and trusted guide to the Fortune 2000. Prior to SignalFx, Tom was Chief Marketing Officer at Sprinklr, consultant-in-residence at Andreessen Horowitz, and CMO of AppNexus, NICE Systems, PTC, and Red Hat. Tom is a Board Director at YSA.org, and Advisor to Smigin, Saphos, Kustomer and Teampay.

  • Patrick Lin

    Patrick Lin

    VP Product & Partnerships

    Patrick leads Product and Partnerships at SignalFx. Previously, he held senior leadership positions in Product Management at Jive Software and VMware.

  • John Bruce

    John Bruce

    VP Worldwide Sales Engineering & Professional Services

    John is the worldwide leader of Sales Engineering and Professional Services at SignalFx. He previously held sales engineering management roles at Zuora and engineering roles at Pandora. His first startup Feedgen was accepted into the SF-based AngelPad incubator.

  • Susan Gudenkauf

    Susan Gudenkauf

    VP Customer Experience

    Susan leads Customer Experience at SignalFx. She has global responsibility for Training & Enablement, Technical Support, Customer Success, Field Architects and Renewals. With over 20 years of experience in technical and leadership roles at companies such as IBM, Docker and VMware, Susan has and always will be passionate about customers.

  • Travis Patterson

    Travis Patterson

    VP Worldwide Sales

    Travis leads Worldwide Sales at SignalFx. He brings two decades of success in enterprise technology sales. Most recently, he was SVP of Global Sales at Mesosphere and has held key executive positions at Aviso, Inc., CipherCloud, and Hewlett-Packard.

  • Steve Tsuchiyama

    Steve Tsuchiyama

    VP Global Partner Sales and Alliances

    Steve leads Global Partner Sales and Alliances at SignalFx. He brings to SignalFx more than 15 years of experience building enterprise sales, partner and business development teams. Steve has held executive roles at Sauce Labs, LucidWorks, Nlyte Software, HP/Opsware and Accel-Ops.

Board of Directors

  • “We founded SignalFx to build something disruptive and meaningful.”

    Karthik Rau
    Karthik Rau CEO and Co-Founder
  • "Building great products starts with a great team and culture."

    Phillip Liu
    Phillip Liu Co-Founder
  • “SignalFx not only understands the problem, but has built the definitive solution.”

    Ben Horowitz
    Ben Horowitz Andreessen Horowitz
  • “SignalFx is truly changing the game for monitoring modern applications."

    Devdutt Yellurkar
    Devdutt Yellurkar Charles River Ventures



Contact Us  Get in touch

Getting Here

We are located in downtown San Mateo, a few blocks away from the Caltrain station.

60 E. 3rd Ave, Suite 400
San Mateo, CA 94401

(650) 539-8650

We are a short, 25-minute ride from the 4th & King station in downtown SF, and a 35-minute bullet train ride from the San Jose station.

There’s 4-hour parking in the garage behind our office on San Mateo Drive. between 3rd and 4th Avenue.