Masakazu YamashinaMasakazu Yamashina

Masakazu Yamashina


Masakazu YAMASHINA is Executive Vice President at NEC Corporation. As the Deputy BU Head of both Public Business and Global Business Units, Dr. Yamashina is responsible for the management of Social Infrastructure business which covers the field of Surveillance and Security.
(Qualifications) PhD in Engineering, Graduate School of Tokyo Institute of Technology.
IEEE fellow.

Nobuhiko NakatsuNobuhiko Nakatsu

Nobuhiko Nakatsu

Vice Chairman

Since joining NEC in July 2014 as COO & SVP at NEC Europe Ltd., Mr. Nakatsu has been responsible for European operations, business support functions and M&A for EMEA region. Prior to joining NEC, he was retained by private equities or strategic investors in CEO or CFO roles and made their portfolio companies, in several sectors, return to growth. He played key roles also at EDS Japan (now an HP company) and Mitsui & Co., Ltd. (a trading and investment firm conducting large scale of business globally) He holds an MBA from The University of Chicago, Graduate School of Business.

Stephen CallaghanStephen Callaghan

Stephen Callaghan

Chief Executive Officer

Stephen joined as Chief Executive Officer of Northgate Public Services in September 2016. He is responsible for the company’s overall strategic development and has a considerable track record of growing and transforming businesses with particular expertise in software and services domains. He began his career in the British Army as a commissioned officer and studied electrical engineering at Cranfield University.

Alan O'ReillyAlan O'Reilly

Alan O'Reilly

Chief Financial Officer

Alan O’Reilly is Chief Financial Officer for Northgate Public Services. He is responsible for providing financial and business leadership for the company and for helping to determine and deliver the company strategy. Alan joined NPS in November 2016 from GC Aesthetics and has extensive international experience in senior finance roles in software & technology companies in Asia, the United States, United Kingdom and Europe over a 15 year period across a range of growing businesses.



David Barker David Barker

David Barker


David leads the TMT sector team. He has been involved in numerous transactions, including Allegro, Aprovia, CPA Global, Eutelsat, HEG, MediMedia, Northgate Public Services, Springer, Ufinet, Visma and Ziggo. David has a BA in Natural Sciences from Cambridge University and is a Chartered Accountant. He joined Cinven in 1996.


Noritaka TagumaNoritaka Taguma

Noritaka Taguma


Noritaka Taguma is a Senior Vice President at NEC Corporation. He is responsible for the management of physical security business by biometrics and video surveillance technologies, and cyber security business in overseas market. He has long experienced business for government and defense in Japan.


Tomoki Kubo Tomoki Kubo

Tomoki Kubo


Responsible for NEC’s global M&A strategies and execution. Prior to joining NEC, Tomoki was a founding member of Japan Industrial Solutions Co, Ltd, a Japanese private equity fund management company, and served as Chief Investment Officer and a board member. Prior to Japan Industrial Solutions, Tomoki was Managing Director and the co-head of the principal investment business of Morgan Stanley Japan. Tomoki holds an MBA from University of Chicago, Graduate School of Business.

Toshiya MatsukiToshiya Matsuki

Toshiya Matsuki


Toshiya Matsuki, Executive Vice President of NEC Corporation, is currently serving as President of the company’s Global Business Unit. He is primarily responsible for strengthening NEC’s focus on the global market and overseeing deployment of Solutions for Society leveraging information and communications technology. Over the course of his career, he has developed extensive experience in various executive and sales leadership positions around the globe.