Global Leadership Matters

DZS is focused on empowering the advancement to a new connected world with ultra-high speed internet access across any media: fiber, copper and wireless. Our leadership team and board are focused on value through innovative solutions that enable our customers to rapidly deploy new revenue generating services that take advantage of the best broadband technologies available. 

Yung Kim

Yung Kim

Chief Executive Officer

Yung Kim has been President and CEO of DZS since September 2016, bringing a wealth of experience gained from his long career in telecommunications service providers. His ambition is to position DZS as the best solution provider at the forefront of transformation that service providers are going through in the convergence of all access networks.

Previously, Mr. Kim held various positions with Korea Telecom, including as President and executive board member, and as Chief Strategy Officer. Mr. Kim commenced his career with British Telecom, where he held various senior positions including Vice President of Technology and Innovation, Program Director and Head of Technology and Investment.

Mr. Kim holds an M.S. Degree in Microwave and Modern Optics and a B.S. (with Honors) in Electrical Engineering from University College, University of London.

Tom Cancro

Tom Cancro

Chief Financial Officer and Treasurer

Tom Cancro has been Chief Financial Officer and Treasurer 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.

Philip Yim

Philip Yim

Chief Operating Officer

Philip Yim serves as Chief Operating Officer for DZS, responsible for the company’s growth in Marketing & Product Management, Operations, IT-DevOps, and global R&D program 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. Seungdong Lee

Dr. Seungdong Lee

Chief Technology Officer

Dr. Seungdong Lee serves as Chief Technology Officer 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 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.

Jun Bahk

Jun Bahk

Senior Vice President of Global Sales

Jun Bahk serves as Senior Vice President of Global 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.

Daniel Won

Daniel Won

President of Korean Business Unit, DZS

Daniel Won serves as President of the Korean Business Unit for DZS. Mr. Won joined DZS in September 2016 as President of DNS Korea in connection with the Merger of Zhone Technologies and DASAN Solutions.

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 DASAN, 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.

J.B Choi

J.B Choi

PRESIDENT OF ASIA-PACIFIC BUSINESS UNIT, DZS

JB Choi serves as President of the Asia Pacific Business Unit for DZS. Mr. Choi joined DZS in September 2019 as a senior advisor and in November 2019 became President of the Asia Pacific Business Unit. Mr Choi brings a plethora of experience from his long career in telecommunications equipment and solutions companies.

Prior to joining DZS, Mr. Choi worked for 34 years at Samsung as a wireless telecom expert (28 years in Samsung Electronics and 6 years in Samsung SDS). Mr. Choi served as Vice President and Head of Global Project Leader Group which was responsible for promoting and broadening Samsung’s technology leadership to the wireless telecom service providers all over the world. During Mr. Choi’s time at Samsung SDS he served as Vice President and Head of the Network Infra Team which was responsible for deployment and implementation of equipment and services to customers.

Mr. Choi holds a Master’s degree from kAIST (Korea Advanced Institute of Science and Technology), and a B.S. from Hanyang University. Seoul, South Korea

Keith Nauman

Keith Nauman

Senior Vice President Quality and Service

Keith Nauman serves as Sr. Vice President, Quality & Service for DZS, responsible for comprehensive quality, feature, and performance testing of new products and software releases, and 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). Prior to DZS, Mr. Nauman held executive level roles for the leaders in the aforementioned technologies including AT&T Bell Laboratories, Paradyne, and Zhone Technologies.

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

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.

Laura Larsen-Misunas

Laura Larsen-Misunas

Vice President, Human Resources

Laura Larsen-Misunas serves as Vice President of Human Resources 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.

Prior to DZS, Mrs. Larsen-Misunas held positions across multiple disciplines in addition to HR, including account management and operations. Most recently at Alcatel / Lucent, she established the company’s first Risk Management department, managing day to day cash, long term investments, and the foreign exchange program. Prior to Alcatel, 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 has also contributed her expertise to the United States Tennis Association in Northern California, both in human resources and other aspects of operations.

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

Blair King

Blair King

Vice President, Finance and Investor Relations

Blair King serves as Vice President of Finance and Investor Relations for DZS. Mr. King joined DZS in April 2018, bringing more twenty years of investment, startup and public company experience in the telecommunications sectors.

Prior to joining DZS, Mr. King led global Treasury and Investor Relations for Harmonic, where he was also a key team member in a number of board approved strategic projects spanning M&A, partnerships, development agreements, and capital raises. Prior to Harmonic, Mr. King led corporate development for Verimatrix, and was a senior equity research analyst covering the communications equipment manufacturing space. Mr. King began his career at Nortel and Arris, holding several roles in finance and sales including Vice President of Sales.

Mr. King holds an M.B.A. from Vanderbilt University, and a B.A. from University of the Pacific.

Alex Yastremski

Alex Yastremski

General Counsel

Alex Yastremski serves as General Counsel 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.