Senior Members

Maiko Ariizumi, Managing Director
Maiko is a Certified Public Accountant registered in Japan with broad experience in accounting, tax and finance managements and she holds an MBA degree from the University of Bath in the UK. She started her career at Price Waterhouse Coopers (PwC)
in Japan then became a consultant to participate in the US GAAP conversion project where Japanese financial institutions
prepare the financial statements in compliance with US accounting standards.
She came to the UK in 2009 to undertake her MBA.The final dissertation is about “voluntary disclosure of environmental
accounting. After graduation, she worked at several companies in London then she joined a subsidiary wholly owned by
Mitsubishi Corporation, established for its investment activities in European transmission business, as Group Financial Controller.
Her role as the section head was to manage all accounting and tax aspects of the Company’s operations and lead finance team
including the joint ventures in the UK and subsidiaries in Germany. She actively worked with the asset management team of the
Company for the correct accounting/tax application for the offshore transmission projects including financial analysis of
the projects, operational models, and technical matters such as derivatives. She also engaged in the due diligence/ preliminary
assessments for project finance in a bid process to support the commercial team from accounting and tax aspects.
She has worked in Japan and UK and proven her ability as strong team builder and facilitator in multinational companies. She
demonstrated her skills in not only financial reporting but also strategic financial planning and financial analysis to optimise
profitability and cashflow of the company.
She joins London Research International Ltd to support Japanese companies who would like to expand /develop its overseas
markets. In addition to helping Japanese companies to spread their potential overseas, regardless of national distinctions, she
would like to contribute to the realisation of a better world and society.
She was selected one of 55 business women who play important role in the world on a feature of Forbes Japan issued in Sep
2016, and one of 100 women who are active in various field in the same magazine issued in Aug 2018.
She enjoys playing golf (she was a captain of her university golf club) and playing musical instruments including piano and ukulele.

Maiko Ariizumi
Managing Director
Certified Public Accountant registered in
Japan and MBA holder with strong
expertise in accounting, tax and finance
management for global companies in the
UK, and Japan. >>

Yuki Yoshida PhD, Director
Yuki earned her PhD in Physics at Colorado School of Mines, USA. Herthesis work on transparent
conducting oxide was completed at National Renewable Energy Laboratory, USA. She moved to
California to work for Intel Corporation’s HQ as a senior process engineer. After having moved back to
Japan, she started to work for UK Trade& Investment, British Consulate General in Osaka, as a senior
investment officer in charge of investment by Japanese ICT and energy companies into the UK. In 2014,
she moved to London and has been working for Embassy of Japan as Infrastructure Advisor, being in
charge of writing a newsletter called UK Business Update to introduce investment opportunities in the
UK for Japanese companies.
She has received UK Government UKTI Chief Executive Silver Award of the Year in 2013 for her key role
in leading a project to help Rolls-Royce’s long campaign to win the engine business of a major
Japanese airline for the first time in history.

Yuki Yoshida PhD
Director
PhD in physics. International business
development expert with experience
working across research, public and private
sectors in the UK, US, and Japan. >>

Shizuka Alcoe PhD, Research Director
Shizuka graduated from the University of Essex with a PhD in Government where she compared
British and Japanese climate change policy. Her publications include the PhD thesis and various
research papers on British environmental policy and environmental taxation for the university and
voluntary sector.
At LRI, she has worked on a number of research projects concerning the European energy
market and environmental issues and also market research. She writes and edits LRI Energy &
Carbon Newsletter and the report of the same title. She aims to be a researcher/consultant who can
conduct penetrating analysis of the latest trends in the broad, cross-sectoral themes of energy and the
environment. Her motto is ‘Genius is the man of average ability who makes an effort.’

Shizuka Alcoe PhD
Research director
PhD in Government. Expert in energy and
environment policies, in particular, in the
UK and Europe, with research experience
in various policy/business sectors. >>

Teruhiko(Terry) Tsumura, Principal Founder and Chairman
Terry, previously, worked for a Tokyo-based engineering consultancy, Pacific Consultants International
(PCI),as a senior manager and project economist. He was involved mainly in the feasibility studies of
energy/infrastructure projects such as power stations and gas pipelines in many countries in all the
regions of the world. He represented the Japanese government at international conferences
sponsored by the World Bank, the OECD and other international organisations. At LRI, besides
managing the company, he continues to be involved in projects of both public and private sectors.
He always hopes to serve as a leverage or foothold for his clients’ overseas business expansion.
He has many publications. He is a senior member of the Japanese Chamber of Commerce and
Industries as well as a member of Japan Society and the Institute of Directors.
Privately, he campaigns for the abolition of nuclear weapons through writing, with the belief that the
fact that the atomic bombings on Hiroshima and Nagasaki are still justified is one of the main
reasons why we have not achieved the total ban of nuclear weapons (My Hiroshima,
www.tsumura.co.uk).

Teruhiko (Terry) Tsumura
Principal Founder and Chairman
Energy expert (strategy and business
model, planning and investment analysis)
with an extensive network of high level
contacts in the UK and Japan particularly
in energy, infrastructure and engineering
and management consultancy. >>

LynJac kson, Co-founder, Director and Company Secretary
Lyn has a background in international relations and politics. She worked for the UN in New York for 10
years and supervised elections for independence in Namibia. Following seven years in Japan at the
UN University in Tokyo, she undertook research in Ukraine for the UNHCR.
Before joining LRI, she was a founding Director and Company Secretary for Tsumura &
Associates, where she conducted research for Japanese research institutes. She graduated from the
London School of Economics and Political Science (LSE) with an MSc (Econ.) in international
relations, and from Sophia University in Tokyo with a BA in international politics and comparative
culture.

Lyn Jackson
Co-founder, Director and Company
Secretary
With extensive experience of working
for the UN, responsible for compliance
at LRI. Also responsible for arranging
high-level meetings for LRI clients and
editing LRI publications. >>
