LEADERSHIP

Octavio Marquez currently serves Diebold Nixdorf as chairman of the board, president and chief executive officer. He is responsible for driving the organization's global strategies and performance to deliver secure, consumer-driven solutions and related services for customers across the financial and retail industries while building value for shareholders.

Marquez has more than 25 years of leadership experience in the banking, technology and IT sectors. Most recently, he led Diebold Nixdorf’s Global Banking business, working directly with customers to help automate, digitize and transform how people bank. His span of accountability included sales, service and solutions distribution, including professional and managed services, and developing strategies to drive the company’s Banking strategies globally.

Prior to this role, he led the organization's banking operations in the Americas. After joining Diebold, Incorporated in January 2014, he headed the company’s Latin American region. Marquez’s leadership successfully repositioned the business, most notably in Brazil and Mexico, to better align with the economic environment and drive growth.

Prior to that, Marquez served as managing director for the Mexico operations for EMC, a global leader in IT management and cloud computing. In this role, he developed turnaround strategies that exceeded revenue and profitability goals while improving customer satisfaction. Marquez also held several leadership roles at Hewlett Packard in the areas of manufacturing, marketing, sales, and outsourcing. As President of HP Mexico, he transformed the company into the largest IT business in the market. In 2011 Frost & Sullivan named him CEO of the Year in Mexico for the IT and telecommunications industry. He has also held several leadership positions with IBM and NCR.

Marquez holds a bachelor’s degree in business and finance from the Universidad Iberoamericana, in Mexico City. He also has a certificate on Corporate Strategy from the Massachusetts Institute of Technology and has completed the Business Bridge Program at Dartmouth College.

James A. (Jim) Barna currently serves Diebold Nixdorf as executive vice president and chief financial officer. In this role, he is responsible for optimizing the organization’s global financial systems and driving the alignment of the company’s strategy to its financial performance to build stakeholder value.

Barna has more than 20 years of experience in corporate finance, with over 10 years in senior leadership roles. He joined Diebold Nixdorf from Ferro Corporation, a global leader in specialty chemicals, where he served in key financial leadership roles including vice president, corporate controller and chief accounting officer. Before his career in senior corporate leadership, Barna worked at PwC in the assurance and business advisory services practice. 

Barna obtained a Master of Business Administration degree and a bachelor’s degree in Accounting from John Carroll University in Cleveland.

 

 

Joe Myers serves as Executive Vice President, Global Banking for Diebold Nixdorf, joining the company in 2022. In this role, he is responsible for leading the company’s Banking business teams around the world, working directly with customers to help automate, digitize and transform the way people bank. His span of accountability includes sales, banking service and financial solutions distribution including professional and managed services, and key strategies.

Myers has more than 20 years of experience leading high-performance sales, marketing and business teams to successfully execute plans that drive best-in-class customer advocacy. Prior to joining Diebold Nixdorf, he served as executive vice president and chief revenue officer for Atlanta-based Elavon, a wholly owned subsidiary of U.S. Bank and a global leader in payments processing. At Elavon, Myers was responsible for the company’s growth strategy, business development and all revenue-related activities. He also led implementation and customer success teams, including solution engineering, presales and sales support. Before joining Elavon in 2011, Myers held various high-profile leadership roles in the payments industry, including general manager of the automotive division at Experian.

Myers earned his degree in Marketing and Business Management from Damelin Business School in South Africa and currently serves on the board of directors for Junior Achievement of Georgia.

Ilhami Cantadurucu currently serves as executive vice president, Global Retail. In this role he is responsible for leading the company’s Retail business segment strategy and operations, including business development, global sales and customer relationship management; focusing on delivering significant opportunities for our retail industry customers and software-driven services and solutions that exceed consumer demands. 

Prior to his current role, he served as head of Global Accounts for the Retail business. In this role, he was responsible for driving the strategies and operations for the top six global retail accounts and the electric vehicle charging business. 

As a key leader within Diebold Nixdorf for nearly 20 years, Cantadurucu has extensive leadership experience at the company in various financial and operational roles. Between 2016 and 2020 he served as vice president, Retail global finance, and vice president, Europe, Middle East and Africa finance for the banking and retail segments. Prior to the acquisition in 2016, Cantadurucu held several leadership positions within Wincor Nixdorf. His roles included chief financial officer, Wincor Nixdorf Turkey (2006-2011); chief operating officer, Wincor Nixdorf North America (2011-2013); and vice president, Wincor Nixdorf global retail finance (2013-2016).

Originally from Turkey, Cantadurucu holds a Master of Industrial Engineering and Management degree from the University of Paderborn in Germany. He also holds a Master of Arts degree in International Economics from the Heriot Watt University in Edinburg.  

Olaf Heyden currently serves as senior vice president, chief operating officer. He is responsible for leading the company's Operations organization with leadership for products, services, information technology, manufacturing, R&D, quality and processes. His team’s focus is sustainable process improvement across and within the company’s services and product offerings.

Heyden most recently served the company as senior vice president, services, responsible for the organization’s global service business, encompassing product-related maintenance, managed services and outsourcing. Before this role, he served as executive vice president for the software and services business units for Wincor Nixdorf AG, where he was also a member of the board of directors, beginning in May 2013.

With more than 29 years of experience, Heyden has held a number of senior leadership positions at various global information technology and telecommunications companies. Prior to joining Wincor Nixdorf in 2013, Heyden served as the chief executive officer for Freudenberg IT KG, an international provider of information technology services in Germany. In that role, he was responsible for the company's successful turnaround and strategic realignment. Prior to that, Heyden spent twelve years in various senior leadership positions at Deutsche Telekom, a German telecommunications company.

Heyden has also served as vice president of the operational business process outsourcing business at EDS in Europe, and successfully managed its IT organization as the chief information officer during the start-up phase of its mobile provider, E-Plus.

Heyden studied business administration at the Ravensburg University of Cooperative Education in Germany, and received a degree in business computing from the University of Applied Sciences in Rendsburg, Germany.

Elizabeth (Lisa) Radigan currently serves as executive vice president and chief people officer for Diebold Nixdorf, leading the company’s global employee-focused initiatives, promoting a strong workforce of engaged employees, and driving effective processes that support and equip employees for success worldwide. Radigan also serves as a member of the company’s senior executive leadership team.

Prior to her current role, Radigan was the senior vice president, chief ethics and compliance officer, and assistant corporate secretary at Diebold Nixdorf, where she led the global ethics and compliance program, beginning in November 2014. In this role, she oversaw the development, implementation and management of the organization’s global ethics and compliance program and oversaw legal aspects of corporate governance and entity management, M&A, and other corporate legal topics. Prior to that, Radigan was an attorney at global law firm, Jones Day, where she represented public companies in U.S. Department of Justice, Securities and Exchange Commission, and company internal investigations.

In addition, Radigan has extensive experience designing and implementing policies, protocols, training materials, risk assessment materials and full compliance programs for Fortune 500 companies. While at Jones Day, she conducted training and provided guidance to numerous public companies regarding anti-corruption and other compliance risks and has provided advice to companies operating in all regions around the world. She has significant experience in implementing compliance programs around the world.

As the company’s champion for its Women@DN employee resource group since its inception in March 2021, Radigan shares her passion for empowering women within the company. Under her leadership, Women@DN has hosted monthly group discussions, engaged its members in conversations on important topics of the day relevant to women, implemented an informal mentoring program, and created a supportive community focused on professional and personal growth worldwide.

Radigan earned her law degree, with honors, from American University, Washington College of Law, and her bachelor’s degree in history, with honors, from The Ohio State University. A longtime resident of Northeast Ohio, she serves on the board of directors of the Cleveland Rape Crisis Center and the Hudson Community Foundation.

David Caldwell currently serves as the executive vice president, corporate development. He joined Diebold Nixdorf in April 2018. In his role, he is responsible for driving the organization’s strategy and leading the corporate business development team. Partnering with leaders across the company, Caldwell links vision with delivery, while defining achievable objectives aligned with the company’s core competencies, and executing tactics to maximize profitability, gain market share and drive future sustainability and growth.

He has more than 30 years experience within the Financial Technology and Financial Services sectors providing expertise in strategic transformation of businesses. Before joining Diebold Nixdorf, Caldwell served as Chief Strategy Officer of Finastra, a global FinTech company. 

Prior to Finastra, David worked at D+H Corporation where he was responsible for strategic planning and merger and acquisition initiatives.  David joined D+H in 2010 and played a key role in the development and execution of its strategy in its transition to a global Financial Technology company. Prior to joining D+H, he was Managing Director, Corporate Development at CIBC World Markets, and previously held roles in strategy, corporate development and M&A advisory functions in corporate, investment banking and consulting organizations.

David received his MBA from the University of Toronto and holds a B.A. (Hons.) in Political Science from Carleton University.

Jonathan Leiken currently serves as executive vice president, chief legal officer and corporate secretary.  He oversees the organization’s global legal function and global corporate compliance program as well as enterprise risk management, business continuity and resiliency and the Company's environmental, social and governance (ESG) program.  He serves as corporate secretary to the Board of Directors.

Before joining Diebold Nixdorf, Leiken worked as a partner at global law firm Jones Day, where he represented public and private companies, boards of directors, special committees and individuals in complex civil lawsuits, significant government investigations and at trial. Leiken represented numerous public and private companies in the Fortune 500 in industries ranging from technology to manufacturing to retail and financial institutions. While at Jones Day, Leiken served as one of the Company’s leading external counsel on various litigation and investigative matters.

Prior to joining Jones Day, Leiken served as a federal prosecutor in New York City, working as an assistant United States attorney in the criminal division of the U.S. Attorney’s Office for the Southern District of New York in the United States Department of Justice. As a federal prosecutor, Leiken successfully tried numerous criminal cases to jury verdict in New York federal court and represented the United States on appeal before the U.S. Court of Appeals for the Second Circuit.  Leiken received commendations from the Federal Bureau of Investigation, U.S. Department of State and numerous other federal agencies for his work in the Justice Department. Early in his career, Leiken served as a federal judicial law clerk to United States District Judge Sam H. Bell of the Northern District of Ohio.

A Cleveland native, Leiken is an active contributor to the community in Northeast Ohio and is a past president of the Cleveland Metropolitan Bar Association, which advances justice and represents the interests of Northeast Ohio’s approximately 10,000 practicing lawyers and judges. For more than ten years, Leiken has served as an adjunct professor of law at Case Western Reserve University Law School where he teaches a course on prosecuting and defending white collar crime. Beginning in 2020, Leiken began teaching "To be a GC: The Role of the Modern General Counsel," a course he developed which surveys the GC role at public and private institutions, at Ohio State University Law School. Additionally, Leiken co-founded the CMBA's Criminal Law Section and created Criminal Justice Day for the Cleveland Metropolitan School District, teaching students about the criminal justice system. Leiken is the current president of Cleveland’s Legal Aid Society, which provides pro bono legal representation to underprivileged members of the community. Leiken is also a volunteer and contributor to the 9/11 Memorial & Museum in New York City, and appeared in the organization's Anniversary in the School's webinar in September 2020 discussing the birth of his daughter on September 11, 2001 in New York City. Leiken was honored as public company General Counsel of the year by Crain’s Cleveland Business (2017) and is a past recipient of the ORT America Jurisprudence Award for professional contributions and community leadership (2016). He is featured in the October 2022 edition of the Financial Times' Business Legal Leaders.

Leiken earned a juris doctorate degree from the University of Pennsylvania Law School and a bachelor's degree in political science from Brandeis University, both with honors. 

Susan Malcolm currently serves as vice president, chief ethics and compliance officer for Diebold Nixdorf. In this role, she oversees the development, implementation and management of the company’s global ethics and compliance program including anti-corruption and bribery compliance; trade law compliance; anti-trust compliance and data privacy.

Prior to being appointed to her current role, Malcolm was vice president, global head of ethics and compliance, for Diebold Nixdorf. Before joining the company in 2013, Malcolm worked at BT Group plc, a multinational communications services company headquartered in the U.K. While there, she held a variety of legal and regulatory roles including building compliance programs. She was a member of BT’s legal leadership team before joining the Governance team, where she became Head of Ethics. At BT she also gained experience in sales, and in human resources leading on policy development and managing contracts with key HR suppliers. Malcolm started her career in London at Ashurst, an international law firm where she specialized in anti-trust/competition law.

Malcolm earned her law degree, with honors, from the University of Edinburgh (Scotland), and obtained a master of science degree in Telecommunications Business from University College London. She is a member of the the Law Society of England and Wales. Malcolm is also a trustee of Elmwey Trust, which runs schools in Surrey, U.K.

Teresa Ostapower currently serves as chief information officer. In this role, she leads our global Information Technology organization and is responsible for strategy, enterprise architecture, development and service delivery. Her leadership is also instrumental as the company enables digital and cloud technologies and modernizes platforms across Sales, Operations, Finance, Human Resources and Information Technology.

Ostapower has over 30 years of experience leading large-scale IT organizations at AT&T and has been recognized for enabling technology to deliver customer and shareholder value as well as steering major technology transformations. Most recently, Ostapower served as AT&T’s senior vice president of Technology Transformation, Architecture & Operations where she led AT&T’s technology modernization to drive speed, cost, and quality improvements.

As AT&T’s chief digital officer, Ostapower led a digital transformation focused on delivering personalized and effortless customer experiences. During her tenure, she and her team enabled new self-service capabilities, which significantly increased free cash flow. In these roles, she also received industry recognition including Top 50 Women in Technology (National Diversity Council), Top 100 Most Innovative Chief Digital Officers Globally (Hot Topics), and CIO 100 (CIO Magazine).

Ostapower earned a Bachelor of Business Administration degree in Management Information Systems from the University of Georgia. She currently resides on the boards of mce Systems, the University of Georgia Research Foundation and the University of Georgia Management Information Systems Advisory Board.