At ValiMail, one of our best assets is our people. We believe in craftspeople bringing the best of themselves to their work, to every project, and to every day. Our team members are passionate individuals who strive to make an impact in technology and the mission of authenticating the world's communication - starting with e-mail. We are an ambitious team of experts who foster a strong culture and environment of people. We are : 

  • Action-Oriented
  • Ownership-Driven
  • Authentic

Leadership Team


Alexander García-Tobar

CEO & Co-Founder

A serial entrepreneur and global executive, Alexander has been CEO at two previous firms and has run global sales teams for three companies that went IPO. He held analyst and executive positions at leading research companies such as The Boston Consulting Group and Forrester Research along with Silicon Valley startups such as ValiCert, Sygate, and SyncTV.

Peter Goldstein

CTO & Co-Founder

Peter is an MIT and Stanford trained technologist who has worked in a variety of software verticals including security, enterprise, email, and video. He has built products and teams at a number of large technology companies such as RSA Security and Perot Systems, as well as at small startups like Tout, Securant, and Swapt.

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Mandeep Khera

Chief Marketing Officer

Mandeep Khera is responsible for all marketing functions globally for ValiMail. He brings over two decades of experience in Software/SaaS/Managed Services Marketing in the areas of application security, network security, managed security services, IoT, Big Data and other enterprise software applications. Prior to joining ValiMail, Mandeep served as the CMO for Arxan, Vice President of Marketing and Channel Sales for Daintree Networks, CMO and Executive Vice President at LogLogic.  Previously, he worked as the CMO for Cenzic,  and held various senior executive roles at Verisign, HP, and other software companies. He is a graduate of Harvard Business School’s Leading Product Development program and Northwestern University’s Executive Development Program and holds an MBA from Santa Clara University.

Steve Mock

VP Business Development

Steve has a history of building profitable companies. He’s built 6 early-stage technology companies- one that has gone IPO, 2 that have gone to acquisition, and 2 that have remained profitable including InfoBlox, Metric Insights, and IP Infusion. He’s also been an advisor within the VC community and advises start ups on go-to-market best practices.

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Chris Dailey

Director of Operations

Chris brings a degree in Finance & Economics from Towson University as well as a law degree from Thomas Jefferson School of Law. He has experience building operations and processes with a revenue and sales focus with companies such as CertainSource, Altruik, SunGard, and Dmind Corp. He also has founded a public benefit company consulting with communities and small businesses with a focus on managing marketing communications.

Vivek Asija

VP Product Marketing

Vivek brings 20 years of experience in the tech industry across small business, mid-market, and enterprise segments. As a former CIO, Vivek is an IT guy turned product marketer that has been on both sides of the table as buyer and seller of business solutions. With a successful track record driving strategic initiatives at companies such as Zendesk, Cognizant, and Palm, Vivek possesses a unique blend of customer empathy and storytelling skills that brings ValiMail’s solutions to life.  

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Devin Loftis

VP Engineering

A Vanderbilt alum with an MBA from the University of Memphis, Devin has managed and grown engineering organizations for 20 years. From the education technology vertical to documentation productivity, he’s helmed engineering teams with McGraw Hill, TeachScape, and Nitro. He brings expertise building, developing, and improving engineering teams and processes.

William Stephens

VP Product

A Stanford MA graduate, William brings 15+ years of product and technology leadership. He brings expertise in SaaS and Cloud technologies with a focus on Agile methodologies and strong software development practices. William has owned product within major companies such as PayPal, eBay, Golden Gateway Financial, Pay By Touch, and Accenture.

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James Banares

Head of Talent

James heads our Talent and People function and brings years of recruiting and HR experience growing startups and Fortune500 companies. He’s scaled organizations and built global recruiting teams at the seed-stage to post-acquisition with companies such as Pivotal, Nitro, FiveStars, Safeway, and various companies in the hospitality industry.

Steve Whittle

Head of Customer Success

Steve’s technical sales and product management experience at Nominum, Infoblox, Intelliden, and Nortel Networks brings authoritative DNS and infrastructure background to the ValiMail team. Steve’s team works with our prospects and clients to ensure attentive and highly technical pre- and post-sales support.


Dylan Tweney

Head of Communications

Dylan is ValiMail's storyteller. Prior to joining ValiMail, he founded a content and communications agency, Tweney Media, that served a variety of enterprise and VC clients. Before that he was a journalist, leading award-winning teams at Wired, VentureBeat, PC Magazine, and other publications. He also started tinywords, the world's smallest magazine.

Dan Weinand

Head of Development

For over a decade, Dan has architected software and built systems for everything from Fortune 100 companies to venture-backed startups. Dan’s mandate is to deliver software that meets the company’s high standards for quality, security, and performance.

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