Pure Storage® is led by some of the brightest and most experienced minds in the IT industry. They're focused on building a better world with data – and transforming the landscape of enterprise storage in the process.

Pure Storage Executive Leadership Team

Board of Directors

Charlie Giancarlo

Charlie Giancarlo is Chairman and CEO of Pure Storage.  He has a three-decade track record of driving growth and innovation at leading global technology companies.  Before joining Pure, Charlie served as Managing Director, Head of Value Creation and later Senior Advisor at Silver Lake Partners from 2007 to 2015, where he focused on business improvement and investment opportunities across strategic and operational initiatives for Silver Lake’s portfolio companies.

Prior to Silver Lake, for over a decade Charlie served in senior executive roles at Cisco Systems, including Chief Technology Officer and Chief Development Officer.  At Cisco, Charlie led Cisco’s multi-product growth, and was at the forefront of the Company’s R&D efforts for all product lines, with entry into new markets, including IP Telephony, WiFi, VPNs, TelePresence, and the SMB market.

Charlie received a Bachelor of Science in Engineering from Brown University, a Master of Science in Electrical Engineering from the University of California, Berkeley, and a Master of Business Administration from Harvard Business School.

Scott Dietzen

Scott Dietzen is Vice Chairman of the Board of Pure Storage and served as the Company’s CEO from 2010 to 2017. Under his leadership as CEO, Pure grew to thousands of employees and completed an IPO in 2015. Dietzen is a four-time successful entrepreneur with WebLogic, Zimbra, and Transarc. Before Pure, he was President and CTO of Zimbra, a vendor of open source messaging and collaboration software. Zimbra (now part of VMware) was a pioneer of the Web 2.0 and Open Core paradigms. Zimbra was originally acquired by Yahoo!, where Dietzen served as interim SVP of Communications and Communities. Prior to Zimbra, Dietzen was CTO of BEA Systems, where he helped craft the technology and business strategy for WebLogic that drove BEA from $61m in annual revenues prior to the WebLogic acquisition to over $1B.

Dietzen came to BEA in 1998 via the acquisition of WebLogic, an innovator in Java and web application server technology. Prior to WebLogic, Dietzen was Principal Technologist of Transarc (acquired by IBM), a developer of distributed transaction and file sharing systems. Dietzen has made appearances on Bloomberg, CNBC, Fox Business and NBC’s Press:Here, among others. He has also been a contributor to Harvard Business Review and Forbes. He earned his Ph.D. and M.S. in Computer Science and B.S. in Applied Mathematics and Computer Science from Carnegie Mellon University.

John "Coz" Colgrove

John "Coz" Colgrove was one of the founding engineers at VERITAS Software (merged with Symantec in 2005), where his 20-year career culminated as Fellow and Chief Technology Officer for the company's Data Center Management Group. Coz was the primary architect for the hugely successful VERITAS Volume Manager (VxVM) and VERITAS File System (VxFS), and later served in various other engineering, management, and consultative roles. During his time at VERITAS Coz became one of the industry's foremost experts on optimizing I/O streams and data structures for the unique idiosyncrasies of rotational hard drives, a challenge he's now re-solving for solid state Flash memory. Prior to VERITAS, Coz was with Amdahl Corporation, where he was a key contributor to the development of the UTS mainframe UNIX operating system kernel. After leaving Symantec in 2008 to pursue personal interests, he joined Sutter Hill Ventures in the role of Entrepreneur in Residence. It was there he observed the growing acceptance of solid-state storage by enterprises that led him to co-found Pure Storage with John Hayes, with the goal of fully exploiting the advantages of the new technology. Coz is a graduate of Rutgers University, and holds over 70 patents in the areas of computer system and reliable data storage design.

Mark Garrett

Mark Garrett served as Executive Vice President and Chief Financial Officer of Adobe from February 2007 to April 2018. With more than 30 years of financial management experience in the technology sector, Garrett has worked with many of the industry's leading companies. Before joining Adobe in 2007, Garrett served as Senior Vice President and Chief Financial Officer of the Software Group of EMC Corporation. From 2002 to 2004 and from 1997 to 1999, Garrett served as Executive Vice President and Chief Financial Officer of Documentum, Inc., including throughout its acquisition by EMC in December 2003. Garrett currently serves on the board of directors of Cisco, GoDaddy Inc., and The Children's Discovery Museum of San Jose. He earned BS degrees with emphasis in accounting and marketing from Boston University and an MBA from Marist College.

Jeff Rothschild

Jeff Rothschild has served as Advisor and Venture Partner at Accel Partners since 1999. Mr. Rothschild was the Vice President of Infrastructure Engineering at Facebook from 2005 to 2015. Mr. Rothschild previously co-founded Veritas Software Corp., where his role included product strategy, sales and marketing. Prior to Veritas, he worked with a number of companies in the areas of storage management, system software, and networking. Mr. Rothschild holds an M.S. in Computer Science and a B.A. in Psychology from Vanderbilt University and is the Vice-Chairman of the university Board of Trust. Mr. Rothschild currently serves as a board member at Interana, a data analytics software company, and Lytmus, a skills assessment software company.

Anita Sands

Anita Sands has served on our board of directors since July 2015. From April 2012 to September 2013, Dr. Sands served as Group Managing Director and Head of Change Leadership and a member of the Wealth Management Americas Executive Committee of UBS Financial Services, a global financial services firm. From April 2010 to April 2012, Dr. Sands served as Group Managing Director and Chief Operating Officer of Wealth Management Americas at UBS Financial Services. From October 2009 to April 2010, Dr. Sands served as Transformation Consultant at UBS Financial Services. From 2008 to 2009, Dr. Sands served as Managing Director, Head of Transformation Management at Citigroup’s Global Operations and Technology organisation.

Prior to that, Dr. Sands also held several leadership positions with RBC Financial Group and CIBC. Dr. Sands currently serves on the board of directors of Symantec Corporation, ServiceNow, Inc. and a non-profit organisation. Dr. Sands earned a B.S. in Physics and Applied Mathematics from The Queen’s University of Belfast, Northern Ireland, a Ph.D. in Atomic and Molecular Physics from The Queen’s University of Belfast, Northern Ireland and a M.S. in Public Policy and Management from Carnegie Mellon University.

Frank Slootman

Frank Slootman has served on the ServiceNow board of directors since May 2011 and as Chairman of the Board since October 2016. Mr. Slootman served as Chief Executive Officer and President of ServiceNow from 2011 to 2017. From January 2011 to April 2011, Slootman served as a partner with Greylock Partners, and served as an advisor to EMC Corporation from January 2011 to February 2012. From July 2009 to January 2011, he served as President of the Backup Recovery Systems Division at EMC. From July 2003 to July 2009, Slootman served as President and Chief Executive Officer of Data Domain, Inc., which was acquired by EMC in 2009. Prior to joining Data Domain, Slootman served as an executive at Borland Software Corporation from June 2000 to June 2003. From March 1993 to June 2000, Slootman held consecutive general management positions for two enterprise software divisions of Compuware Corporation. Slootman holds undergraduate and graduate degrees in economics from the Netherlands School of Economics, Erasmus University Rotterdam.

Mike Speiser

Mike Speiser is currently a Managing Director at Sutter Hill Ventures. Mike joined Sutter Hill in 2008 from Yahoo!, where he was vice president of community products including Yahoo! Groups, Yahoo! Profiles and Bix. Mike joined Yahoo! in February 2007 through the acquisition of Bix, where he served as president and CEO. Prior to co-founding Bix, Mike served as vice president and technical advisor to Symantec Chairman & CEO, John Thompson. Previously, he was vice president of product marketing and product management at VERITAS, which was acquired by Symantec. Mike also co-founded Epinions.com, worked as a consultant at McKinsey & Company, and was an analyst with CS First Boston. Mike holds an M.B.A. from Harvard Business School, where he graduated as a Baker Scholar, and a B.A. from the University of Arizona.

Roxanne Taylor

Roxanne Taylor is a Board Director, Chief Marketing and Communications Officer, and game-changing leader. She an expert in digital transformation, global expansion, branding, and precision marketing.  Roxanne is passionate about the power of technology to drive innovation that benefits businesses, the workforce and the next generation of innovators, particularly in promoting opportunities for women and minorities. 

Most recently Roxanne was the Chief Marketing & Communications Officer of Accenture, the $41 Billion global professional services company, where she was instrumental in shaping Accenture as a global, market-leading brand, and executing the company’s digital-first and innovation-led business strategy. Roxanne reimagined Accenture’s global digital ecosystem, integrating content, mobile and social strategies to share the company’s vision of a connected business environment and to elevate awareness of the need for the world’s leading companies to embrace digital and prepare of AI and automation-driven changes. At Accenture, Roxanne led a global team of more than 1,300 marketing and communications professionals and served as a member of Accenture's Global Management Committee.  

Before joining Accenture in 1995, Taylor held a variety of business, marketing, and corporate communications roles for Reuters, Citicorp/Quotron, Credit Suisse, and the Deak-Perera. Named as one of Forbes' "World's Most Influential CMOs," she is a member of the Arthur W. Page Society, The Committee of 200 and Women's Forum of New York. Roxanne is a Director of Pure Storage, a provider of enterprise data storage solutions, and OpenX, an ad tech company. She also serves on the Board of Directors of the Ad Council, Association of Executive Search and Leadership Consultants (AESC), Reporters Without Borders (leading the RSF Marketing & Communications Committee) and Only Make Believe, a nonprofit providing interactive theatre for children in hospitals.

Sue Taylor

Ms. Taylor has served as Chief Accounting Officer of Facebook, Inc., an online social networking company, since April 2017. From January 2012 to March 2017, Ms. Taylor was the Vice President, Controller, and Chief Accounting Officer of LinkedIn Corporation, a professional social networking company. From August 2009 to January 2012, Ms. Taylor was the Vice President, Controller, and Chief Accounting Officer of Silver Spring Networks, Inc., a provider of networking solutions, and from October 2008 to August 2009, Ms. Taylor was the Senior Director, Accounting Policy of Yahoo! Inc., a search engine. Prior to Yahoo!, Ms. Taylor spent over thirteen years at PricewaterhouseCoopers LLP, an accounting firm, in various accounting roles. Ms. Taylor received a bachelor of commerce degree from the University of Toronto, and is a Certified Public Accounting (inactive) in California.