Global Leadership Matters

DZS and its agile and innovative customers are driving the advancement to a new hyper-connected world through the development and deployment of next generation broadband access services and ultra-low latency switching and transport across any media: fiber, copper and wireless. Our leadership team and board are focused on providing value to our customers through the delivery of world-class solutions that enable them to rapidly deploy new revenue generating services that take advantage of standards-based, cutting-edge broadband technologies.

Charlie Vogt

Charlie Vogt

President & Chief Executive Officer

Charlie Vogt joined DZS as President and CEO in August 2020, bringing two decades of experience as a CEO and over 30 years of professional experience in executing visionary strategies that resulted in unprecedented growth in communications markets. He became a Director of DZS on August 1, 2020.

Prior to DZS, Mr. Vogt was president and CEO of four companies: ATX Networks, a global leader of optical access networking and media distribution solutions, Imagine Communications, a world-leading provider of video software and unified distribution solutions, GENBAND (now Ribbon Communications), a global leader in IP networking and software solutions, and Taqua, a market leader in softswitch technology. Earlier in his career, Mr. Vogt was instrumental in the operational and financial growth of several of standard-setting technology companies which included ADTRAN and Ascend Communications that either became public companies or were acquired.

Mr. Vogt holds a B.S. in Economics and Computer Science from Saint Louis University.

Tom Cancro

Tom Cancro

Chief Financial Officer

Tom Cancro has been Chief Financial Officer of DZS since December 2019, bringing 30 years of finance experience to the CFO role.

Previously, Mr. Cancro held positions with Verizon Communications and GE, among others, including as Chief Financial Officer of Verizon’s joint venture with AT&T and Deutsche Telekom.  

Mr. Cancro holds a Bachelor of Science degree in Accounting from the Pennsylvania State University and began his career at PricewaterhouseCoopers.  He is a Certified Public Accountant and also holds a CFA Charter.

Jay Hilbert

Jay Hilbert

Executive Vice President of Americas Sales

Jay Hilbert serves DZS as the EVP of Americas Sales. Before joining DZS, Mr. Hilbert served as Senior Vice President of Sales and Marketing at RigNet, a global provider of digital technology solutions including broadband connectivity, cyber-security, and artificial intelligence/machine learning (AI/ML) for global enterprise customers. Prior to RigNet, he was SVP of Sales at CommScope Holding Company, Inc., a global provider of wireless solutions, where he was responsible for sales of the first O-RAN product for LTE. Mr. Hilbert was also the first Global SVP of Sales for Cambium Networks (spin out of Motorola), which provided Fixed Wireless Access technology for rural broadband coverage. Earlier in his career, Mr. Hilbert also served as SVP of Sales at Nokia and Jabil.

Mr. Hilbert holds a Bachelor’s of Science degree in Engineering Management from the University of North Dakota.

Kai Uebach

Kai Uebach

Executive Vice President of EMEA Sales

Kai Uebach serves as EVP of EMEA Sales at DZS. He joined the company in March 2020 and is based in Hanover, Germany.  His focus is on business growth in the areas of next-generation broadband systems, passive optical LAN and the emerging 5G markets.

Kai Uebach brings with him more than 20 years of experience in the management, restructuring, reorientation and development of international organizations in Europe, Middle East, Africa and Asia. He also has extensive know-how in project management, mergers and acquisitions, sales, strategy and business development.

Prior to joining DZS, Kai Uebach held various management, supervisory board and executive board positions, including Golden Towers BTS Vietnam; TalkPool AG in Switzerland; Telecel Globe, a subholding of Orascom Telecom with four mobile operators in Africa; the mobile operator MDC VELCOM in Belarus and various start-ups. From 2003 to 2007 he was President Siemens Mobile Networks and responsible for the EMEA region.

Mr. Uebach holds a master in Electronic Engineering with an emphasis on IT and telecommunication from the University for Telecommunication in Dieburg, Germany.

Jun Bahk

Jun Bahk

Executive Vice President of Asia Sales

Jun Bahk serves as EVP of Asia Sales for DZS. Mr. Bahk joined DZS in February 2017 as Vice President of Management Innovation and brings more than 20 years of telecommunications and IT start-up experience to his role.

Prior to joining DZS, Mr. Bahk held various senior management and executive positions with British Telecom Plc, UK and Korea Telecom Corp. He was Senior Vice President and Head of Global Business at KT responsible for global sales and operations, strategic alliance/partnership and strategic investment projects to expand global. During his tenure with BT Plc, Mr. Bahk held senior management positions in product management, strategy, marketing, business development and sales.

Mr. Bahk holds an M.B.A. from Nanzan University, Japan and also studied international business at Indiana University.

Geoff Burke

Geoff Burke

Chief Marketing Officer

Geoff Burke serves as Chief Marketing Officer for DZS. A renowned marketer and recognized industry visionary, he joined DZS in April 2020 and has brought a wealth of experience in leading marketing transformations and championing major communications industry initiatives to the company, most recently as Chief Marketing Officer at Broadband Forum.

Prior to joining Broadband Forum, Mr. Burke led Corporate Marketing at Calix, responsible for the Calix brand and company messaging worldwide. Mr. Burke has also held a variety of senior marketing, strategy, and operational roles at Motorola/Next Level Communications, The McKenna Group, KPMG Consulting, and Oracle Corporation.

Mr. Burke holds an MBA from the Anderson School at UCLA, as well as a Bachelor of Arts degree from UCLA.

Philip Yim

Philip Yim

Chief Technology Officer

Philip Yim serves as CTO for DZS, responsible for the company’s technology and solutions vision, as well as Product Management, IT-DevOps, and Global R&D coordination. Mr. Yim joined DZS in June 2017 as Vice President of Engineering, bringing more than thirty years of experience across the data and telecommunications sectors.

Prior to DZS, Mr. Yim held several global multinational executive leadership positions across global operations, marketing, development, business and sales, most recently as Executive Vice President of Global Program Management for Allied Telesis. Mr. Yim was the original founder of Turin Networks, and was the head of Product Line Management for Advanced Fiber Communications. Earlier in his career Philip led the Product Line Management group and R&D team at Siemens / Plessey Broadband Communication over a 15 year tenure.

Mr. Yim holds a B.S. in Engineering (1st Class Honors) with an emphasis in Electronic and Control Systems from University of Bradford, England.

Dr. Seung Dong Lee

Dr. Seung Dong Lee

Chief Architect, Office of CTO

Dr. Seung Dong (SD) Lee serves as Chief Architect, Office of CTO for DZS, leading the team responsible for system/software design, development initiatives for global R&D activities, creation/management of intellectual property and decision on technology evolution strategy. Dr. Lee joined DZS in September 2016 in connection with the Merger of Zhone Technologies and DASAN Network Solutions, where he also served as CTO.

Dr. Lee was a pioneer in implementing MMU-awareness for embedded debugger while he was working for Mentor Graphics ESD. Dr. Lee also played a significant role in proving the viability of embedded Linux as a platform for network operating system before Linux gained wide acceptance and popularity. Dr. Lee also lead IP-DSLAM and ATCA blade development while DASAN was a subsidiary company of Siemens / Nokia Siemens Networks.

Dr. Lee holds a Ph. D from Seoul National University.

Daniel Won

Daniel Won

Chief Product Officer

Daniel Won serves as Chief Product Officer at DZS. Mr. Won joined DZS in September 2016 as President of DNS Korea in connection with the Merger of Zhone Technologies and DASAN Networks.

Mr. Won brings over thirty years of experience in the telecommunications marketplace across several disciplines, including executive management, engineering and sales. Prior to his roles with DZS, Mr. Won held various executive positions at LG and Cisco Systems.

Mr. Won holds an M.B.A. from KAIST (Korea Advanced Institute of Science and Technology), and a B.S. from Seoul National University.

Keith Nauman

Keith Nauman

Senior Vice President of Global Services

Keith Nauman serves as SVP Global Services for DZS, responsible for providing 24×7 technical support and professional services for DZS solutions across the globe. For more than 30 years, Mr. Nauman has served in leadership roles focusing on the definition, design, development, test and support of voice and data communications products.

Mr. Nauman’s career spans three major technology waves for residential Internet Access: Dial Modems, Digital Subscriber Line (DSL), and Fiber To The Home (FTTH). Mr. Nauman has held executive level roles at DZS or its predecessor companies which were all leaders in these aforementioned technologies (AT&T Bell Laboratories, Paradyne, and Zhone Technologies), since June 1986.

Mr. Nauman holds an M.S. in Electrical Engineering from Monmouth University in Eatontown, NJ.

Jerry Lee

Jerry Lee

Chief Integration Officer

Jerry Lee serves as Chief Integration Officer for DZS, responsible for global integration of all aspects of people, products and systems across the company. Mr. Lee joined DZS in July 2019 and brings two decades of transformation and corporate integration experience to DZS.

Prior to DZS, Mr. Lee held several executive and leadership positions in global operations and corporate transformation at Korea Telecom and a global retail company. Mr. Lee commenced his career in consulting at such firms as PWC, Accenture and IBM, where he spent a decade working with  clients across the telecom, banking and retail sectors.

Mr. Lee holds a M.S. in management information systems from Korea Advanced Institute of Science and Technology, South Korea.

Eric Mackey

Eric Mackey

Vice President, Sales Operations

Eric Mackey joined DZS as Vice President, Sales Operations in August 2020, bringing comprehensive experience as a Sales and Operations leader to the company.

Prior to DZS, Mr. Mackey lead Sales, Marketing and Sales Operations teams at Hewlett Packard Enterprise, a multinational enterprise information technology company, Imagine Communications, a world-leading provider of video software and unified distribution solutions, GENBAND (now Ribbon Communications), a global leader in IP networking and software solutions, and Alcatel (Now Nokia), a multinational telecommunications, information technology, and consumer electronics company.

Mr. Mackey holds an MBA in Finance from the Texas A&M System.

Michael Siebke

Michael Siebke

Chief Information Officer

Michael Siebke serves as Chief Information Officer for DZS, responsible for business process digitalization and global IT effectiveness to support the company’s growth. Mr. Siebke joined DZS in January 2019 as part of the KEYMILE acquisition, bringing more than twenty years of experience in IT management including business process transformation and global enterprise architectures.

Prior to DZS, Mr. Siebke held executive leadership positions in IT and R&D. As global Head of IT at KEYMILE he introduced a unified ERP system landscape pushing harmonized business processes and operational excellence. Earlier in his career he held roles in R&D in the telecommunication industry including Philips Communications Industry and Alcatel, which involved project lead and development methodology responsibilities.

Mr. Siebke holds a master in Electronic Engineering with an emphasis on Informatics and Control Systems from University of Technology in Braunschweig, Germany.

Alex Yastremski

Alex Yastremski

Corporate Secretary

Alex Yastremski serves as Corporate Secretary to DZS. Mr. Yastremski joined DZS in February 2018, bringing more than eighteen years of legal executive expertise from law firms and technology ventures across several industries.

Prior to joining DZS, Mr. Yastremski was General Counsel for BitFury, one of the oldest and largest bitcoin miners in the world.  Mr. Yastremski began his legal career at the international law firm Coudert Brothers and, prior to going in-house, was also Counsel with Bingham McCutchen LLP.

Mr. Yastremski earned his J.D. at American University, Washington College of Law, and a B.A. (with Honors) from Bucknell University.

Laura Larsen-Misunas

Laura Larsen-Misunas

Chief People Officer

Laura Larsen-Misunas serves as Chief People Officer for DZS.  Mrs. Larsen-Misunas has held several progressively advancing administration and human resources management roles since joining DZS in 2000, for a total of more than twenty years of experience in the telecommunications industry.

Most recently at Ascend Communications, she established the company’s first Risk Management department, managing day to day cash, long term investments, and the foreign exchange program. Prior to Ascend, Mrs. Larsen-Misunas was a successful account manager and executive in the financial and insurance industries, having worked for Marsh and Willis.

Mrs. Larsen-Misunas holds a B.S. in Marketing from California State University San Francisco.