The SignalFx Team

  • 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
    Chief Operating Officer

    Mark is Chief Operating 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
    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.

  • 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 of 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 of 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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
    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, and Advisor to Airship, Gigster, Kustomer and Teampay.

  • 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.

  • Andy Sadler
    General Manager of EMEA

    Andy is General Manager of EMEA, responsible for the company’s sales and go-to-market strategy in Europe, the Middle East and Africa. Prior to joining SignalFx, Andy held leadership positions at BMC, BladeLogic, PTC and Ascential Software.

  • Kevin Pura
    VP, WW Sales Engineering and Services

    Kevin is the Vice President of World Wide Sales Engineering and Service for SignalFx, where he is responsible for helping customers realize the value that SignalFx’s technology solutions can bring to their businesses before the sale, as well as providing them the ability to fully realize this value after the sale through professional services and training. Previously, he was the Vice President and Head of Section One for Oracle, a global organization focused on bringing together Oracle’s disparate technologies into seamless customer solutions across applications, technology and infrastructure. Prior to Oracle, Kevin lead the Global Sales Engineering organization for New Relic and orchestrated the organization’s significant revenue and organizational growth.

  • Jason Stewart
    VP of America Sales

    Jason is VP of America Sales. Previously he was CRO at Gainsight and VP of Americas Sales at Apptio where he helped take the company public. Earlier in his career, Jason was at Opsware/HP and PTC

Board of Directors

  • Karthik Rau

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

    Karthik Rau
    CEO and Co-Founder
  • Ben Horowitz

    “SignalFx not only understands the problem, but has built the definitive solution.”

    Ben Horowitz
    Andreessen Horowitz
  • Devdutt Yellurkar

    “SignalFx is truly changing the game for monitoring modern applications.”

    Devdutt Yellurkar
    Charles River Ventures
  • Dr. Steve Herrod

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

    Dr. Steve Herrod
    General Catalyst
  • Phillip Liu

    “Building great products starts with a great team and culture.”

    Phillip Liu


Join Our Team

“SignalFx is a place where people can come and do their best work, in an environment where they are supported as individuals and given the opportunity to grow.”

Laura MacKinnon
Chief People Officer

We are hiring!

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