Leadership Team

Meet the people who drive Relativity's strategy and business operations.

Our executive team brings decades of expertise to all facets of Relativity, from customer service and security to marketing and team development. They work closely with our board of directors, who have experience leading some of the world's top technology companies.

Andrew Sieja

Andrew Sieja

President and Chief Executive Officer

Fun Facts

  • Loves to snowboard
  • Once worked in an airport baggage department
  • Still remembers the smell of the Microsoft QuickBASIC manual — his first foray into computer programming

Andrew Sieja is the CEO of Relativity. He founded it as a software consultancy in February 2001 and successfully pivoted it into a fast-growing enterprise software company in 2007. Andrew loves technology, is a computer programmer by trade, and prior to starting Relativity has worked as a technologist for a variety of multi-nationals and consulting firms. As CEO, Andrew has five key goals for Relativity: offer a great product, provide relentless customer support, ensure team members love their jobs, positively impact the community, and grow to be a great software company.

Jason Ream

Jason Ream

Chief Financial Officer

Fun Facts

  • Taught math and physics to high school students right out of college
  • Is an ardent music lover and an aspiring DJ (though self-admittedly still needs some practice)
  • Usually wears ostrich cowboy boots and sometimes a Stetson on the weekend

Joining the Relativity team in 2016, Jason brings 20 years of experience in finance and technology to the role of chief financial officer. He is responsible for leading core internal operations and guiding the company as we scale. Before coming to Relativity, Jason led finance and strategy as CFO of SolarWinds, and supported the growth and innovation of software companies through investment banking roles at J.P. Morgan, UBS, and Credit Suisse First Boston. Jason received his A.B. in Mathematics from Amherst College.

Perry Marchant

Perry Marchant

Vice President of Engineering

Fun Facts

  • His first computer was a Commodore 16. It didn't have a modem port, but it did have BASIC 3.5
  • A certified Divemaster, Perry enjoys sailing
  • Watched the first inning of a Cubs game from the owner's box—accidentally

As vice president of engineering, Perry helps guide the evolving design and functionality of Relativity. He enjoys helping his team solve interesting and complex technical challenges, allowing them to build their careers and strengthen the software all at once. He joined Relativity in 2010 as a senior software engineer. Perry received his Bachelor's degree in computer science from Brooklyn College in 1994. Previously, he helped develop industry-leading security solutions for Symantec and McAfee, and served as a technical consultant for several Fortune 500 companies.

Nick Robertson

Nick Robertson

Chief Operating Officer

Fun Facts

  • Has four kids whose names are rooted in American music—Townes, Rosalee, Chet, and Nick Jr.
  • Once made a living in fly fishing
  • Avid trail runner

Nick is an e-discovery veteran with over 13 years of industry experience in customer-facing roles. A member of the Relativity team since 2007, he leads the customer group at Relativity. In this role, he works closely with marketing, sales, and customer support and success to deliver an exceptional experience for the global Relativity community. Prior to Relativity, Nick worked as a senior solutions consultant for Encore Discovery Solutions and served as vice president of technical services for Forensicon, a Chicago-based computer forensics firm providing investigative services in the areas of fraud and white-collar crime.

Lisa Arthur

Lisa Arthur

Chief Marketing Officer

Fun Facts

  • Began her marketing career as the Easter Bunny
  • Drove her own dog-sled in Alaska with a guide and former Iditarod racer
  • Played the female lead in the comedic play, The Nerd

Lisa joined Relativity in 2016 as chief marketing officer. She leads the marketing team, marketing strategy, and helps us communicate our vision and mission to the world. Before Relativity, Lisa spent five years as CMO, Teradata Applications, where she led divisional strategy, positioning, global brand awareness, and demand generation. She has more than 30 years of marketing experience in the enterprise software industry, and previously held marketing leadership roles at Oracle, Akamai Technologies, and Aprimo. Lisa is also the author of Big Data Marketing: How to Engage Customers to Drive Value.

Fred Hehl

Fred Hehl

Worldwide Vice President of Sales

Fun Facts

  • Played professional beach volleyball after graduating from college
  • Avid movie buff with a habit of quoting lines from favorite films
  • Lived in Munich with his family and traveled throughout Europe

Fred joined the Relativity team in 2017 as worldwide vice president of sales. He is a 19-year veteran of PTC, where he oversaw the company's growth into an enterprise-level solutions provider. Fred brings that experience leading high-performing teams in transformational environments to Relativity. He oversaw transitions from on-premises to SaaS at both PTC and BMC and has solid channel and international sales experience, including an EMEA posting in Munich. Fred received his bachelor's degree in business administration and management from Albion College.

George Orr

George Orr

Vice President of Customer Success and Support

Fun Facts

  • Has seen Pearl Jam in concert 16 times
  • Is a die-hard Chicago sports fan with season tickets to the Bulls and the Bears
  • Grew up within one block of his wife in Chicago, but didn't run into her again until 2008

Joining the Relativity team in 2007, George is the vice president of customer success and support—one of the departments responsible for the company's customer-facing activity. Over the past few years, George has helped the team's processes evolve from “brute-force problem-solving” to a set of polished procedures that ensures a positive customer experience every time. Prior to taking the reins of customer success and support, George worked as the messaging systems manager for Rotary International—a Chicago-based non-profit organization specializing in humanitarian funding programs. In addition to being a Relativity Certified Administrator, George also has extensive Microsoft and infrastructure training and is certified in both arenas.

Keith Lieberman

Keith Lieberman

Chief Accounting Officer

Fun Facts

  • Caddied at the Indian Hill Country Club—the club featured in Caddyshack
  • Early in his career, took a three-month sabbatical to raise money for United Way
  • Has a punctual family, as both of his children were born on their due dates

Keith, who joined the Relativity team in 2013, is an Illinois native, but spent 1990-2012 working and living throughout Georgia, Texas, and Massachusetts. He made his return to the Midwest through Relativity, where—to put it in his words—he “supports all of Relativity by driving the core values of Relativity throughout Relativity.” A CPA since 1985, Keith boasts a long history of managing financial operations, including serving seven years as the CFO of Encore Discovery Solutions-a company that provides tools for ESI processing and hosting.

Dorie Blesoff

Dorie Blesoff

Chief People Officer

Fun Facts

  • Spent her early summers in Texas working with cattle on her uncle's ranch
  • Writes and performs original music for the voice, guitar, and piano
  • Is the fifth generation of oldest daughters; her new granddaughter is the seventh

Prior to assuming the role of chief people officer, Dorie worked as a consultant for Relativity. She has helped to implement various development initiatives across the company, including our internal education program, Relativity U. As chief people officer, Dorie works closely with the human resources department to help create a stronger platform for recruiting employees and growing their skills, while also continuing to make Relativity a great place to work. Dorie serves as an adjunct professor in the Learning & Organizational Change degree programs in the School of Education and Social Policy at Northwestern University—a role for which she received the Outstanding Professor award in 2008. She graduated from Loyola University in 1995 with a master's in organizational development.

Bill Lederer

Bill Lederer

Chief Security Officer

Fun Facts

  • Grew up on a dryland wheat farm in Montana
  • Started school in a two-room schoolhouse
  • Has been a ham radio operator since he was 13

Bill joined Relativity in 2015, leading a team dedicated to maintaining secure virtual environments for our customers and our employees. Before bringing decades of security expertise to Relativity, Bill worked at Matasano as a security consultant and ran his own independent consultancy. In those roles, he worked with Fortune 500 companies and large organizations around the globe, solving complex security challenges. Bill is an alumnus of Northwestern University, earning a Bachelor of Science in Electrical Engineering.

Andrew Watts

Andrew Watts

Chief Information Officer

Fun Facts

  • Started using a computer when he was eight and learned how to program because his parents wouldn’t buy more games
  • Is Australian and he tries to escape Chicago’s winters every January or February

As CIO, Andrew provides leadership in building and supporting Relativity’s information technology along with governance and compliance processes. He joined the company in 2016 as vice president of information technology to oversee the IT department comprising of three groups: applications, infrastructure, and project management. Andrew has more than 20 years of experience in IT. Prior to joining Relativity in 2016, he served as the director of IT at Morningstar, an investment research and management firm. At Morningstar, he oversaw a 200-person IT department, lead the information technology aspects of 30 acquisitions and two divestures, and implemented both major system enhancements and significant technology and security improvements. Before moving to Chicago, Andrew held several IT positions in Australia, his home country, at companies including WorldxChange, New Tel, and SingTel. Andrew holds a computer science degree from the University of Technology Sydney.

Meet the Board

Relativity's board includes some of the most sought after talent and expertise in enterprise software with experience from some of the world's leading technology companies. They are trusted advisors, providing valuable input on strategy and operations in order to help Relativity grow effectively and responsibly as we deliver on our mission of being the e-discovery software company.

John Shackleton

John Shackleton

Executive Chairman, President, CEO, SilkRoad

Fun Facts

  • First summer job during university was working in a bakery, frosting 32,000 cakes per night
  • Hitchhiked from London to Morocco in 1966 and bumped into the Rolling Stones in Tangier

John has been an innovative visionary in the software industry for more than 30 years, currently serving as CEO and executive chairman of SilkRoad. Prior to joining SilkRoad, John served as the president and CEO of Open Text Corporation, heading a $1.3 billion software company that became the world's leading independent provider of enterprise content management software. John's extensive background in software and services management includes IT, consulting, product development, and sales management roles. He joined Open Text from PLATINUM technology, Inc., where he was president of the PLATINUM Solutions division, providing consulting services to Global 2000 customers. Previously, he served as vice president of Professional Services at Sybase, Incorporated for the Central U.S. and South America. In addition, John served as vice president of Worldwide Consulting at ViewStar Corporation, a document management imaging company based in the Bay Area. In addition to serving on the advisory board of Relativity, John is also chairman of the advisory board of Flexera Software.

Kent Parker

Kent Parker

President, Providence Hill Capital, LLC

Fun Facts

  • Once performed music on the stage of the Grand Ole Opry in Nashville
  • Owns and flies a hovercraft
  • Traded his slide rule in for a TI-58C his freshman year of college

Kent comes to Relativity with more than 30 years of leadership and operating experience. He has helped scale and grow enterprise software companies as an executive leader, investor, and independent board member, at companies such as Ariba, FreeMarkets, aPriori, Avetta, BusinesSolver, Curvo Labs, and Freightquote.com. Kent's most recent operating role was as chief operating officer of Ariba, where he helped lead the software company's transformation to a cloud technology business model, concluding with the sale of the company to SAP in 2012. His experiences outside of the technology industry include helping build and grow Caribou Coffee, as well as numerous leadership positions at Textron and United Technologies. Kent earned his bachelor's degree in mechanical engineering from the University of Evansville and his MBA from the Tuck School at Dartmouth College.

Matthew Jacobson

Matthew Jacobson

General Partner, ICONIQ Capital

Fun Facts

  • Avid skier and amateur yogi
  • Took up stand-up comedy to help with public speaking
  • Still owns first investment from several decades ago — a single share of Disney stock

Matt is a general partner at ICONIQ Capital investing in enterprise software, SaaS , ecommerce, and mobile companies. Prior to ICONIQ, Matt held operating roles at Groupon and investing roles at Battery Ventures and Technology Crossover Ventures. Matt's investments include Sprinklr, Datadog, Uber, Intercom, Age of Learning, Pluralsight, Fastly, Coupa, GoFundMe, Alibaba Group, DocuSign, Flipkart, Honest Company, Red Ventures, Groupon, HomeAway, Warby Parker, Automattic, Campaign Monitor, VMTurbo, Greensky Financial, Apttus, Blackline Systems, Wayfair, Spothero, Yesware, and Smartling.

Timothy P. Flynn

Timothy P. Flynn

Chairman, Retired, KPMG International

Fun Facts

  • I am an Eagle Scout
  • I put myself through college working as a tractor trailer mechanic

Tim joins the Relativity team as an accomplished executive leader after more than 32 years with KPMG —a global network of professional firms, with 189,000 people providing audit, tax and, advisory services in 152 countries. He was Chairman of KPMG International from 2007 until 2011. In this role, he led the global executive team responsible for the management and operations, and chaired the global board responsible for the strategy, oversight, and governance of the global network. During his career with KPMG, Tim held several senior leadership positions, including Chairman and CEO of KPMG LLP, the U.S. and largest member firm of KPMG International, Global Vice Chair Audit and Advisory Services, and Global Vice Chair of Human Resources for KPMG International. He brings significant directorship experience, including current service on the boards of Walmart Stores Inc., JP Morgan Chase & Co., Alcoa Corporation, and United Healthcare Group. He also previously served as a Trustee of the Financial Accounting Standards Board and as a member of the World Economic Forum's International Business Council. Tim earned his bachelor's degree in accounting from the University of St. Thomas in St. Paul, Minnesota, where he currently serves on the school's Board of Trustees.

Will Griffith

Will Griffith

Partner, ICONIQ Capital

Fun Facts

  • Enjoys surfing and spending time with his family, as well as numbers, poker, and trying to predict the future
  • Has ridden a motorcycle across the US and Europe (prior to having family)
  • Has never had a cup of coffee

Will joined ICONIQ Capital as a partner in 2013 and he is co-leading ICONIQ's merchant bank including its technology and direct investment efforts. Preceding his current role, Will was a general partner at Technology Crossover Ventures (TCV). Prior to TCV, Will was an associate at The Beacon Group, a private equity firm that was acquired by JP Morgan Chase in 1999. Before joining The Beacon Group, he was an investment banking analyst at Morgan Stanley. Will received a bachelor's degree in engineering and history from Dartmouth College and an MBA degree from the Graduate School of Business at Stanford University. Will has been an investor in numerous enterprise SaaS businesses including BlackLine, Sprinklr, Datadog, Alteryx, and Apttus. Will lives in Atherton, California with his wife Calla and their three children and is also a supporter of numerous charities including the Second Harvest Food Bank of Santa Clara and San Mateo Counties.