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.

  • 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).

  • Mark H. Resnick

    Mark H. Resnick

    Chief Financial Officer

    Mark is Chief Financial Officer of SignalFx.  Previously he was CFO of WePay, which was sold to JP Morgan Chase in December 2017, and CFO of Vindicia, which was sold to Amdocs in September 2016. Prior to these roles, Mark held executive positions at Transera, Coremetrics, Method Networks, and ProBusiness.  Mark started his career at the public accounting firm Coopers & Lybrand.

  • Arijit Mukherji

    Arijit Mukherji

    Chief Technology Officer

    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.

  • 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.

  • Marzena Fuller

    Marzena Fuller

    Chief Security Officer

    Marzena Fuller is Chief Security Officer at SignalFx. Marzena was previously Senior Director Security at Databricks, responsible for developing and implementing the company’s security and compliance strategy. Prior to Databricks, she worked as Director, Security Compliance at Sumo Logic, overseeing security, compliance, privacy, risk, and data protection programs.

  • 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.

  • Patrick Lin

    Patrick Lin

    Chief Product Officer

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

  • Laura MacKinnon

    Laura MacKinnon

    Chief People Officer

    Laura MacKinnon is Chief People Officer at SignalFx. Laura was previously VP People & Culture at UserTesting. Prior to that, she was the VP of People at Coupa Software. In these roles, she was responsible for developing and implementing the company’s talent development strategy, culture management, and day-to-day people operations. Prior to that, she held senior HR leadership positions at Yahoo!, Opsware, and SGI.

  • Leonid Igolnik

    Leonid Igolnik

    Executive Vice President of Engineering

    Leonid is Executive Vice President of Engineering at SignalFx, where he brings tremendous experience in running and scaling SaaS engineering teams. Previously he was Vice President of Engineering at CA Technologies, where he led the security business unit for CA APM and SaaS security products. Prior to CA Technologies, he was Vice President of Product Development at Oracle, responsible for product development and cloud operations of Oracle Taleo Business Edition. Leonid is also an active angel investor, consultant and advisor in the Silicon Valley tech ecosystem.

  • 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.

  • John Bruce

    John Bruce

    VP Worldwide Sales Engineering and Technical Services

    John is the worldwide leader of Sales Engineering, Professional Services, and Customer Success 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.

Board of Directors

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

    Karthik Rau
    Karthik Rau CEO and Co-Founder
  • “SignalFx is truly changing the game for monitoring modern applications.”

    Devdutt Yellurkar
    Devdutt Yellurkar Charles River Ventures
  • “SignalFx not only understands the problem, but has built the definitive solution.”

    Ben Horowitz
    Ben Horowitz Andreessen Horowitz
  • “SignalFx’s scalability and real-time alerting are exactly what today’s fast-moving businesses require...”

    Dr. Steve Herrod
    Dr. Steve Herrod General Catalyst
  • “Building great products starts with a great team and culture.”

    Phillip Liu
    Phillip Liu Co-Founder



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.