Leadership Team

Gary Steele

Chief Executive Officer

Gary Steele is founding CEO of Proofpoint. With more than 30 years of technology industry experience, he directs a global workforce of 3,300+ employees to protect people, data and brands from advanced threats and compliance risks. An established cybersecurity thought leader, Mr. Steele’s expertise has been featured on CNBC, Forbes, Fortune, Fox Business, Investor’s Business Daily, MarketWatch, and the Wall Street Journal. He also serves on the board of directors for Malwarebytes, Synack, and Upwork. Prior to Proofpoint, Mr. Steele held the position of CEO of Portera and leadership roles with Sybase, Sun Microsystems and Hewlett-Packard. He earned a B.S. in Computer Science from Washington State University.

Paul Auvil

Chief Financial Officer

Mr. Auvil brings more than 20 years of experience in finance, technology and corporate leadership to Proofpoint. Prior to joining Proofpoint, Mr. Auvil spent six months with Benchmark Capital as an Entrepreneur-in-Residence, where he evaluated investments and advised portfolio companies. Prior to Benchmark, he spent four years serving as the CFO at virtualization leader VMWare, where he played an important role in helping the company to evolve from a promising start-up to one of the fastest growing companies in the history of the software industry. Previously, he served as the CFO for Vitria Technology, Inc. In that role, he executed both initial and secondary public offerings and led Vitria's acquisition of XML Solutions, Inc. Before joining Vitria, he held various executive positions at VLSI Technology, including vice president of the Internet and Secure Products Division. Mr. Auvil currently serves on the board of directors of 1Life Healthcare, Inc. (One Medical), and as chairperson of their audit committee. Mr. Auvil holds a Bachelor of Engineering degree from Dartmouth College, and a Master of Management degree from the J.L. Kellogg Graduate School of Management, Northwestern University. In addition to a wealth of business experience, Mr. Auvil also holds patents in digital video compression in Japan, and one patent in the U.S. for a high speed, PCI compatible on-chip data bus.

Lyn Campbell

EVP, Global Operations, Information Technology, and Customer Success

Lyn Campbell is the EVP of Customer Success and IT for Proofpoint, expanding her current role as the leader of Global Operations. Her organization manages the corporate and production cloud infrastructures that power the Proofpoint business, security and compliance throughout the enterprise, and the Customer Success teams that deliver support and training across the globe. She brings more than 25 years of experience to her role. Prior to joining Proofpoint, Ms. Campbell led the international media production engineering team for Yahoo! Media, which served hundreds of millions of global customers. Known for her success with SaaS companies, her experience also includes directing teams at Sybase, WebEx, and Intraware (now Flexera software). Ms. Campbell earned a B.A. in English from the University of California, Berkeley.

Marcel DePaolis

Chief Technical Officer

Before coming to Proofpoint, Mr. DePaolis was the vice president of Engineering, Applications, and Operations at Webraska (formerly AirFlash, Inc.), the leading provider of location-based software and solutions, including services targeted at wireless mobile users and geospatial mapping and routing engines. Prior to AirFlash, Mr. DePaolis was with Netscape Communications/AOL, where he was technical director of Messaging and Collaboration for iPlanet E-Commerce Solutions, a Sun/Netscape alliance. Previously, Mr. DePaolis held senior architect and engineering management positions at ISOCOR; the leading supplier of Internet messaging, meta-directory software solutions, and at Quarterdeck Office Systems; developing some of the earliest consumer Internet browsers and utilities. Earlier in his career, Mr. DePaolis co-founded and held the position of CEO of Pittsburgh Powercomputing Corporation, a company that specialized in fast X Window System servers and other graphics software. Mr. DePaolis holds a triple major B.S. degree in electrical, computer, and biomedical engineering from Carnegie Mellon University.

Sharyl Givens

Chief Human Resources Officer

Sharyl Givens brings more than 15 years of experience with technology startups and public companies to her role as CHRO for Proofpoint. She leads a team of HR professionals, who are responsible for driving global business growth through strategic human resource programs. Prior to joining Proofpoint in 2011, Sharyl held roles at such companies as Rambus and SanDisk; where she was responsible for HR programs to enable the transition of the company as it grew to over $1B in revenue worldwide. She was also in Human Resources at Loudcloud/Opsware and Calico Commerce where she held roles readying the organizations for growth and their eventual initial public offerings. Sharyl holds a B.S. from Menlo College.

Jason Hurst

SVP, Corporate Development

Jason Hurst is SVP of Corporate Development at Proofpoint. Previously, Mr. Hurst served as VP, Head of Corporate Development for Pivotal, where he was responsible for strategic initiatives and complex projects, including M&A and investments. Mr. Hurst also led M&A at VMware, and helped to navigate the process of establishing Pivotal. He also worked at Citi/Salomon Smith Barney as a technology investment banker for nearly a decade. In that role, he advised on and executed hundreds of client projects and deals. Mr. Hurst holds a bachelor’s degree in Economics with a minor in Japanese from BYU. He also holds an MBA with honors from the Wharton School of the University of Pennsylvania.

Ryan Kalember

EVP, Cybersecurity Strategy

With over 20 years of experience in the information security industry, Mr. Kalember currently leads cybersecurity strategy for Proofpoint and is a sought-out expert for leadership and commentary on breaches and best practices. His global team of security experts ensures that Proofpoint’s customers have consistent insight into the attacks that target their people.

Mr. Kalember joined Proofpoint from WatchDox where he served as both chief product officer and CMO, leading the development of pioneering data-centric security solutions through to the company’s acquisition. Previously, Ryan ran solutions across HP’s portfolio of security products, was director of product strategy at ArcSight, and held a variety of positions at VeriSign, including EMEA regional manager and senior product manager. Early in his career, Ryan was a security practitioner, helping build many leading security organizations and security operations centers (SOCs) around the world. He received his bachelor's degree from Stanford University, where he studied fault tolerance, cryptography, and authentication algorithms.

David Knight

EVP & GM, Information and Cloud Security Products Group

David Knight leads Proofpoint's Threat Systems Products Group. He brings a wealth of large enterprise SaaS experience to Proofpoint, having previously served as CTO of Cisco's Collaboration Software Group, where he was responsible for product and technical vision and strategy, product management and user experience. Mr. Knight was previously vice president of product management for leading cloud-based conferencing and collaboration vendor WebEx Communications, where he played a central role in the company's rapid growth and eventual $3.2 billion acquisition by Cisco. Earlier he was vice president of marketing and product management for SaaS pioneer Portera Systems and an entrepreneur in residence at Institutional Venture Partners. Mr. Knight has also held management positions at Sybase and Oracle. He holds an M.S. in industrial administration and a B.S. in information systems and industrial management from Carnegie Mellon University.

Darren Lee

EVP/GM, Compliance and Digital Risk Business Unit

Mr. Lee is responsible for Proofpoint’s Compliance and Digital Risk Business Unit and is Proofpoint’s executive owner for our global Financial Services segment and Proofpoint’s Machine Learning investments. Under Mr. Lee’s leadership, Proofpoint has dramatically grown its presence in Financial Services and the Compliance segment by ongoing investment in a portfolio of products including Archiving, Supervision, eDiscovery, Digital Risk, and Machine Learning.

Before joining Proofpoint, Mr. Lee served as the Founder and CEO of NextPage, a leading provider of Information Governance solutions. Having founded multiple startup companies, Mr. Lee has vast experience in defining markets, creating products, executing acquisitions, and driving revenue to build viable businesses. Mr. Lee holds a B.S. in Electrical and Computer Engineering from BYU.

Alan LeFort

SVP and GM, Security Awareness Training Products

Alan LeFort is a sought-after evangelist and advocate of cybersecurity. He’s known for his ability to synthesize and simplify the complex using humor and storytelling. This passion for simplicity has led him to cultivate product organizations centered around empathy, design thinking and innovation. Mr. LeFort has held strategy and product leadership roles at security companies in the US, Europe and Canada. His experiences span startups to publicly traded companies across consumer and enterprise. Prior to joining Proofpoint, Alan held senior roles at McAfee, HyTrust, AVG, Telus, Intellitactics, and AT&T Canada. Mr. LeFort holds an MBA from the University of Toronto and a BBA in Finance from the University of St. Thomas in Houston, TX.

Blake P. Sallé

Chief Revenue Officer

Blake P. Sallé is the Chief Revenue Officer at Proofpoint. Mr. Sallé joined Proofpoint in 2017. In his capacity as CRO he leads all customer facing and go-to-market functions. Previous to this role, Mr. Sallé held the position of EVP, Worldwide Sales and led the Americas sales organization. Before joining Proofpoint, Mr. Sallé served as President of Kony, the leading provider of enterprise mobility solutions. He was responsible for all go-to-market functions and customer operations globally. During his career, Mr. Sallé has held key leadership positions across Worldwide Sales, Channels, Customer Success, Strategy, and Field Operations in five different capacities, ranging from start-up to scale-out. He has worked for some of the most recognized and innovative organizations in technology and healthcare. These organizations include Cisco, VCE, VMware, EMC, Johnson & Johnson, CSC, and an Andreessen Horowitz backed start-up acquired by RSA. Mr. Sallé holds a bachelor’s degree from the University of Texas at Austin.

Ashan Willy

EVP and GM, Security Products and Services

Ashan Willy leads Product Management, Engineering and Threat Research for the Proofpoint Security Products and Services Group. Mr. Willy brings more than 25 years of leadership experience in engineering, product management, worldwide strategy and planning in global markets to his role. Before that, he led Global Systems Engineering, Customer Success and Renewals for Proofpoint. Prior to Proofpoint, he led teams at Webex, Juniper, Polycom and Cisco. Mr. Willy holds a Master of Business Administration degree from Pepperdine University in California and a Bachelor of Science in Electrical Engineering from McMaster University in Ontario, Canada. He also holds a CCIE, among other industry designations.

Yair Grindlinger

SVP, Cloud Security Market Strategy

Yair Grindlinger brings 25 years of technology and security leadership to Proofpoint as SVP, Cloud Security Market Strategy. In this capacity, Mr. Grindlinger leads the strategy for Proofpoint’s information protection platform and broader cloud security offerings. Prior to this role and since Proofpoint’s acquisition of FireLayers in 2016, where he was co-founder and CEO, Yair headed Proofpoint's Information Protection Products as GM, VP and has played a vital role in the development of the company's CASB, enterprise DLP and cloud security offerings. Yair previously co-founded and was CEO of SupportSpace, an online tech support platform provider acquired by Best Buy. Prior to that, Yair was CEO of Port Authority, one of the early DLP companies that created the DLP category, which was eventually acquired by Websense (Forcepoint). In preceding years, Yair was a Fund Manager at STI Ventures, an early stage VC. In his early career, Yair lead the International Sales and Marketing of Security-7 until it was acquired by Computer Associates. Yair’s security experience began in his Israeli Defense Forces military service where he served as an officer in the army’s technology unit.

Michael Yang

SVP, General Counsel and Corporate Secretary

Michael Yang is responsible for Proofpoint worldwide legal affairs. He leads the teams responsible for contracting, licensing, strategic intellectual property creation and protection, employment law, data privacy, corporate law, compliance and corporate governance. Mr. Yang brings to Proofpoint more than 25 years of international business and legal experience at both public and privately-held companies. He provides particular expertise in building and scaling global legal departments and processes to meet the needs of high-growth technology companies. Prior to joining Proofpoint, Mr. Yang developed and led the corporate legal function and later the products and technology group as Associate General Counsel and Assistant Secretary of VMware, Inc., as that company grew from $200 million to over $2 billion in annual revenues. Mr. Yang has also held executive and senior management roles as an attorney for Medialive International and Openwave (as well as its predecessor,, where he contributed to that company's successful IPO and subsequent merger with He began his practice as an intellectual property attorney in the Los Angeles offices of Baker Hostetler. He holds an A.B. in government from Cornell University and a J.D. from the UCLA School of Law. He is admitted to practice law in the State of California.