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Board of Directors

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Lynn A. Wentworth
Chair of the Board

Ms. Wentworth served as Senior Vice President, Chief Financial Officer & Treasurer of BlueLinx Holdings Inc. (a building products distributor) from 2007 until her retirement in 2008. Prior to joining BlueLinx, Ms. Wentworth served as Vice President and Chief Financial Officer for BellSouth Corporation’s Communications Group and held various other positions at BellSouth from 1985 to 2007. Ms. Wentworth began her career at Coopers & Lybrand, where she served in both the audit and tax divisions. Ms. Wentworth is a certified public accountant licensed in the state of Georgia. Ms. Wentworth is a director of Benchmark Electronics, Inc. and a director and chair of the audit committee of Graphic Packaging Holding Company. Ms. Wentworth was a director of Cincinnati Bell Inc. from 2008 until its acquisition by Macquarie Asset Management in September 2021, and had served as chair of the board since May 2019.

    Alex Shumate
    Lead Independent Director

    Mr. Shumate is a Senior Partner of Squire Patton Boggs (US) LLP, an international law firm, where he has served as the Managing Partner, North America, since 2009. He joined Squire Patton Boggs in 1988 and he served as the Managing Partner of its Columbus, Ohio office from 1991 to 2021. He is a former member of the Board of Trustees of The Ohio State University, having served three terms; and he twice served as Chairman of the Board, most recently from 2015 to 2020. Mr. Shumate is the lead independent director of The J.M. Smucker Company and chairman of the board's Nominating, Governance and Corporate Responsibility Committee. He previously served as a director of the Wm. Wrigley Jr. Company from 1998 until its acquisition in 2008, of Nationwide Financial Services from 2002 until its acquisition in 2009, and of Cincinnati Bell Inc. from 2005 to January 2013. Prior to joining Squire Patton Boggs, Mr. Shumate served as chief counsel and deputy chief of staff to the Governor of the State of Ohio and as assistant attorney general, State of Ohio.

      David Ferdman

      Mr. Ferdman is a Managing Partner of DTB Capital Partners, a Texas based private investment firm managing a portfolio of private investments, and has served as the CEO of Cybraics, an advanced detection cyber security company, since December 2020. Mr. Ferdman was a co-founder of CyrusOne and served as President & Chief Executive Officer from 2000 until June 2010. Mr. Ferdman served as the President until August 2011 and served as the Chief Strategy Officer until January 2013. Upon consummation of our initial public offering, Mr. Ferdman resigned from his employment with the Company. Prior to founding CyrusOne, Mr. Ferdman was the Chief Operating Officer and co-founder of UWI Association Programs (d/b/a Eclipse Telecommunications), a facilities-based telecommunications service provider. As Chief Operating Officer of UWI, Mr. Ferdman was instrumental in the company's rapid growth, which culminated in its acquisition by IXC Communications (now part of Level 3 Communications Inc.) in 1998. Mr. Ferdman is also a director of Circuit of the Americas, Quality Uptime Services, and Cybraics, Inc.

        John W. Gamble Jr.

        Mr. Gamble is Corporate Vice President & Chief Financial Officer of Equifax Inc., a global data, analytics and technology company, where he is responsible for corporate finance, accounting, treasury, tax, internal audit, investor relations, global real estate and global procurement. From September 2005 to May 2014, Mr. Gamble was Executive Vice President & Chief Financial Officer for Lexmark International, Inc. In addition to corporate finance functions, he was responsible for Lexmark’s investor relations, information technology, strategy and development, and internal audit and security functions. Prior to joining Lexmark, Mr. Gamble was executive vice president and chief financial officer of Agere Systems, Inc. Mr. Gamble also served in finance leadership roles with AlliedSignal, Inc., and then Honeywell International, Inc., following the merger of the two entities. Earlier, Mr. Gamble served in a variety of finance capacities with General Motors. Mr. Gamble began his career as an electrical engineer with Bethlehem Steel Corporation.

          T. Tod Nielsen

          Mr. Nielsen served as the President & Chief Executive Officer and a member of the board of directors of FinancialForce, a private cloud ERP vendor, from January 2017 until his retirement at the end of 2020. Mr. Nielsen served as Chief Executive Officer of Heroku, a cloud application development company that was acquired by Salesforce in 2011, and as Executive Vice President of Platform at Salesforce from June 2013 to June 2016. Prior to that, Mr. Nielsen was Co-President, Applications Platform Group at VMware, Inc. Mr. Nielsen served as VMware's Chief Operating Officer from January 2009 to January 2013. Prior to that, he served as President and Chief Executive Officer of Borland Software Corporation from November 2005 to December 2008. From June 2005 to November 2005, Mr. Nielsen served as Senior Vice President, Marketing and Global Sales Support for Oracle Corporation, an enterprise software company. From August 2001 to August 2004, Mr. Nielsen served in various positions at BEA Systems, Inc., a provider of application infrastructure software, including Chief Marketing Officer and Executive Vice President, Engineering. Mr. Nielsen also spent 12 years with Microsoft Corporation in various roles, including General Manager of Database and Developer Tools, Vice President of Developer Tools, and at the time of his departure, Vice President of Microsoft's platform group. Mr. Nielsen is a current director of Tech Data, and former director of BTI Systems, MyEdu Corp., Fortify Software and Club Holdings, LLC.

            Denise Olsen

            Ms. Olsen is senior managing director and a member of the investment committee of GEM Realty Capital, an integrated real estate investment firm that invests in private market assets and publicly traded securities, where she has served since 1996. Ms. Olsen oversees business development for GEM Realty Capital and is also responsible for investor relations, reporting and communications for the firm. Prior to joining GEM Realty Capital, Ms. Olsen was Vice President at EVEREN Securities, serving in its Real Estate Corporate Finance Group. Earlier in her career, Ms. Olsen served in various capacities at JMB Realty Corporation, including Senior Portfolio Manager of corporate mixed-use developments and as a member of the acquisitions group.

            Ms. Olsen is a director and member of the audit committee of First Industrial Realty Trust, Inc., a REIT that engages in the ownership, management, acquisition, sale, development and redevelopment of industrial real estate properties. Ms. Olsen is a member of the Executive Committee of The Samuel Zell and Robert Lurie Real Estate Center at the Wharton School at the University of Pennsylvania and serves on the Investment Committee of The Harry and Jeanette Weinberg Foundation.

              William E. Sullivan

              Mr. Sullivan served as the Chief Financial Officer & Treasurer for Purdue University in Indiana from June 2014 until his retirement at the end of 2019. Mr. Sullivan served as the Chief Financial Officer of ProLogis Inc., a real estate investment trust (‘‘REIT’’) operating as an owner, manager and developer of distribution facilities, from March 2007 to May 2012. Prior to joining ProLogis, Mr. Sullivan was the founder and President of Greenwood Advisors, Inc., a private financial consulting and advisory firm, from 2005 to 2007. Prior to that, Mr. Sullivan served as the Chairman (2001 to 2007) & Chief Executive Officer (2001 to 2005) of SiteStuff, Inc., a procurement solutions company specializing in real estate property and facility   management. Mr. Sullivan worked for Jones Lang LaSalle Incorporated, and its predecessor, LaSalle Partners, in a variety of positions from 1984 to 2001, including as Chief Financial Officer from 1997 to 2001 and as a member of the Board of Directors from 1997 to 1999. Prior to joining Jones Lang LaSalle, Mr. Sullivan was a member of the Communications Lending Group of the First National Bank of Chicago and also served as a member of the tax division of Ernst & Ernst LLP, a predecessor to Ernst & Young LLP. Mr. Sullivan has also served as a director and audit committee chairman of Jones Lang LaSalle Income Property Trust, Inc. since September 2012 and served as a director of Club Corp. from August 2013 until September 2017.