Management Team

William Stein, Chief Executive Officer


William Stein (Bill) is Digital Realty’s Chief Executive Officer and serves on its Board of Directors.

Under Bill’s leadership, Digital Realty has executed a series of transformational transactions that have sharpened the company’s strategic focus and significantly enhanced its product offerings. Bill has overseen a doubling of the company’s total enterprise value, as well as its inclusion in the S&P 500 Index.

Prior to being named CEO in 2014, Bill served as Chief Financial Officer and Chief Investment Officer.

Bill has over 30 years of leadership experience at a wide variety of companies. Before joining Digital Realty in 2004, Bill was with GI Partners (Digital Realty’s predecessor private equity fund); Co-Head of VentureBank@PNC and Media and Communications Finance at The PNC Financial Services Group; President and Chief Operating Officer of TriNet Corporate Realty Trust (now part of iStar Financial); Executive Vice President, Chief Financial Officer and Secretary of TriNet Corporate Realty Trust; and he previously held a number of senior positions with Westinghouse Electric, Westinghouse Financial Services and Duquesne Light Company. In addition, Bill practiced law for eight years, specializing in litigation as well as securities and finance.

Bill also holds leadership roles within the real estate industry. He serves as second vice chair on the executive board of the National Association of Real Estate Investment Trusts (NAREIT) and he serves on the Board of Directors for Host Hotels & Resorts, Inc., where he is a member of the Audit Committee. He is also a member of the Fisher Center for Real Estate & Urban Economics (FCREUE) Policy Advisory Board.

Bill has a Bachelor of Arts degree from Princeton University, a Juris Doctor degree from the University of Pittsburgh, and a Master of Science degree with Distinction from the Tepper School of Business at Carnegie Mellon University.

Andrew Power, Chief Financial Officer


Andrew (Andy) Power is the Chief Financial Officer of Digital Realty (NYSE: DLR) and is responsible for the company’s financial functions, including financial reporting, capital markets, tax, financial planning and analysis, as well as global asset management operations. Prior to joining Digital Realty, Andy served as Managing Director of the Real Estate, Gaming and Lodging Investment Banking for Bank of America Merrill Lynch, where he was responsible for relationships with over 40 public and private companies, including Digital Realty. Prior to Bank of America Merrill Lynch, Andy was employed by Citigroup, where he held similar positions. During his career, he has managed the execution of public and private capital raises in excess of $30 billion, including the largest REIT IPO to date, and more than $19 billion of merger and acquisitions transactions. Andy was part of the lead underwriting team that advised Digital Realty on its initial public offering in 2004 and served as a lead manager on nearly every subsequent public capital raise.

He received a Bachelor of Science degree in Analytical Finance from Wake Forest University.

Cindy Fiedelman, Chief Human Resources Officer


Cindy Fiedelman is Chief Human Resources Officer at Digital Realty, responsible for leading the company’s global human capital strategy, which includes talent management, leadership development, compensation and benefits programs, and human resources integration efforts related to mergers and acquisitions.

Prior to taking on this role, Cindy was Vice President of People & Diversity at American Airlines, where she led the organization-wide integration effort resulting from the $11 billion merger between American Airlines and US Airways. In addition, she led talent management, staffing, compensation and human resources operations globally. She also has held senior-level human resources and operations positions at companies including Avaya, Sun Microsystems and Comcast. Cindy has a proven track record of building teams focused on attracting top talent, transforming organizations, leading human resources activity around mergers and acquisitions as well as the subsequent integration efforts, and creating engaged workforces.

She received a Bachelor of Art degree in Art History from the University of Pennsylvania.

Joshua Mills, Senior Vice President, General Counsel


Josh is Senior Vice President, General Counsel of Digital Realty and is responsible for overseeing all legal matters for the company. He joined the company in April 2005 Josh has fourteen years of corporate legal experience, including as a corporate attorney with Latham & Watkins, LLP where his practice included mergers and acquisitions, corporate finance and venture capital financing transactions as well as general company representation. Prior to joining Latham & Watkins, Mr. Mills served as Associate General Counsel for Corporation and as an associate with Shearman & Sterling, LLP.

Josh received a Bachelor of Arts degree from the University of Washington and a J.D. from the University of California, Hastings College of the Law.

Chris Sharp, Chief Technology Officer


Chris Sharp has over 20 years of experience in the technology industry, with an extensive background in developing technology strategies in global markets. He has a deep knowledge of the data center sector and is well positioned to expand technical innovation at Digital Realty. Most recently, he was responsible for cloud innovation at Equinix, where he led the development of innovative cloud services solutions and developed new capabilities enabling next-generation, high-performance exchange and interconnection solutions, facilitating broad commercial adoption of cloud computing on a global basis. Previously, Mr. Sharp held leadership positions at top network and colocation providers, including Qwest Communications, MCI/Verizon Business and Reliance Globalcom.

Erich Sanchack, Executive Vice President, Operations


Erich J. Sanchack serves as Executive Vice President, Operations, for Digital Realty. He is responsible for global portfolio operations, global construction, cybersecurity, as well as supply chain operations.

Prior to this role, he served as Senior Vice President for CenturyLink IT Solutions and New Market Development. He had overall profit and loss responsibility for commercial IT solutions, cybersecurity, data hosting, cloud management and managed services offerings. Previously, he served as Vice President and General Manager for CenturyLink Federal Solutions, where he had overall profit and loss responsibility for CenturyLink’s Federal Government business, spanning civilian interests, the Department of Defense, the Department of Homeland Security and the intelligence community.

Before joining CenturyLink, Erich served as Vice President, Competitive Enhancements at Lockheed Martin, where he was responsible for identifying and coordinating affordability opportunities across the corporation. He also served as Vice President, Corporate Internal Audit at Lockheed Martin, responsible for audit operations and enterprise risk management. His position reported directly to Lockheed Martin’s audit committee and board of directors. Erich’s last role at Lockheed Martin was Vice President of Information Technology Services for Information Systems & Global Solutions/Defense. From 1998 to 2004, he progressed through assignments via business development roles followed by lead responsibility directing North American global customer service operations for Tetra Pak, Inc. in Denton, Texas. Throughout his career, Erich has primarily been a profit and loss general manager, and he has held multiple leadership roles across large portfolios.

Erich is a former U.S. Marine Corps officer. He deployed with the 22 Marine Expeditionary Unit (Special Operations Capable) during Operation Joint Endeavor (Bosnia), Assured/Quick Response (Liberia and Central African Republic), Operation Noble Obelisk (former Zaire) and Operation Silver Wake (Albania).

Erich sits on the board of directors for the Northern Virginia Technology Council, the board of directors and executive committee for the Armed Forces Communications and Electronics Association/International, and the board of directors for the American Heart Association for the Greater Washington Region. He also sits on the advisory council for Johns Hopkins Community Physicians and the armed services council for the Union League of Philadelphia. Erich was recently included among the top 100 most influential people in the greater Washington, DC area and named a TECH 100 executive by the Northern Virginia Technology Council in recognition of his efforts to drive technology innovation. He has a Bachelor of Science Degree in Electrical Engineering from Pennsylvania State University.

Christopher Kenny, Senior Vice President, Acquisitions & Investments


Christopher (Chris) Kenney serves as Senior Vice President, Acquisitions & Investments. Chris has played a key role in Digital Realty’s external growth initiatives since its initial public offering in 2004. Prior to joining the company, Chris served as a Partner at GI Partners, Digital Realty’s predecessor private equity fund.

Chris has over 25 years of institutional real estate investment experience. Earlier in his career, he served as Vice President of Acquisitions for CBRE Investors, where he was responsible for the sourcing, underwriting and acquisition of office, retail and industrial properties on behalf of numerous pension fund clients. Previously, Chris also worked as a Research Analyst for Green Street Advisors, a leading independent real estate research firm.

Chris has a Bachelor of Science in Business Administration (Finance and Real Estate) from the University of Florida. He is also a CFA Charter holder.

John Stewart, Senior Vice President, Investor Relations


John Stewart has served as Digital Realty’s Senior Vice President of Investor Relations since August 2013. He has over 15 years of financial services industry experience.

Prior to joining Digital Realty, John led the industrial and technology REIT sector coverage at Green Street Advisors, a leading independent real estate research firm. Previously, he was the lead REIT analyst at Credit Suisse. John has followed the REIT sector since 2000, formerly as a member of top-ranked teams at Citigroup Investment Research and Merrill Lynch. John began his career as a credit analyst with the Corporate Finance group at Bank of America.

John received a Bachelor of Science degree in Accounting from Oklahoma State University. He is a CFA charterholder and a member of the CFA Institute as well as the New York Society of Securities Analysts. John is also a member of the National Association of Real Estate Investment Trusts and the National Investor Relations Institute.

Sherri Liebo, Senior Vice President, Marketing


Sherri Liebo joined Digital Realty in July 2017 as Senior Vice President, Marketing. She oversees all aspects of the company’s marketing and branding efforts globally.

Prior to joining Digital Realty, Sherri served as Chief Marketing Officer at Q2E where she led the firm’s rebranding effort and helped shape its next generation product. Before joining Q2E, she was Vice President of Global Partner Marketing at Cisco, where she earlier served as Vice President of Services and Service Provider Marketing. Previously, she held several leadership and executive roles at Hewlett Packard.

Sherri received a Master of Business Administration degree from the Haas School of Business at the University of California, Berkeley, and a Bachelor of Science degree in Electrical Engineering from the University of Florida.