We are focussed on the long term across all aspects of our business. From the management of our investors' capital to the development of our team, we follow a patient and consistent approach. We are inclusive and respect all of our employees' views and preferences regardless of seniority.


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  • CEO, Marketing & Client Services
  • Compliance, Operations & Finance
  • Office Management & Support
John Bills

John joined Arcus in 2020. Previously, he worked at Stanhope Capital, Sussex Partners and Pamplona Capital in senior business development and sales roles. Before that, he enjoyed a career in investment banking. He received a BA (Hons) degree in Classics from Cambridge University. 

Madoka Camp

Madoka joined Arcus in 1999 as our first employee. Previously, she worked at Wako International Securities, holding various positions within the Japanese convertible bond and equity warrant departments.

Edward Cartwright

Edward joined Arcus in 2019. His previous roles include Head of Japan Sales at Jefferies & Co., Global Head of Research at Commerzbank Securities and Head of Listed Investment Companies at LGT Capital Partners.

Linda Costa

Linda joined Arcus in 2022. Previously, she had an investor relations role at Ruffer LLP. She holds a Masters Degree in Foreign Languages Applied to International Trade from Grenoble University, France.

Takaaki Haruki

Takaaki joined Arcus in 2005. He started his career at Okasan Securities, where he became Head of International Equity Sales. Thereafter, he was a fund manager at HSBC Asset Management Japan. He received his BA degree in Accounting from California State University.

Yasue Inoue

Yasue joined Arcus in 2008. Prior to that, she worked in the accounting department of Kleinwort Benson Securities and as a research assistant at Commerz Securities Japan.

Lucy King, ACMA

Lucy joined Arcus in 2011. She trained at RSM Robson Rhodes and later Kinetic Partners where she worked in financial services consultancy. She has over 18 years of experience in a broad range of financial services roles and graduated from Durham University with a BA in Russian.

Karl Leung

Karl joined Arcus in 2021. He graduated from the University of Nottingham with a BSc (Hons) in Finance, Accounting and Management in 2019.

Tim Marrable, CFA, ACFE

Tim joined Arcus in 2014. Having spent his career in investment banking in Tokyo, he then retrained as a lawyer and was called to the Bar of England & Wales in 2005. He joined the Tokyo office of Herbert Smith in 2011.

Nazri Othman

Nazri joined Arcus in 2021. In his recent roles at Two Offshore Marine Sdn Bhd, DWA Advisory Sdn Bhd, DWA Private Equity Sdn Bhd, he was the Head of Corporate Finance,  Principal, and Senior Manager. He holds an MBA majoring in Financial Management and a B.Sc. (Hons) in Accounting, both from the University of Hull. 

Thomas Pearson

Tommy joined Arcus in 2019. Previously, he worked for 5 years for a general trading firm in Osaka. He has an MBA from Hong Kong University of Science & Technology and a BA in Human Sciences from Osaka Prefecture University. 

Sadao Sakamoto

Sadao joined Arcus in 2017. His previous roles include managing a Japanese equity long-short strategy within his own investment company and managing funds at JP Morgan and Barclays Global Investors. He graduated from Waseda University with a Master Degree in Physics & Applied Physics in 1998.

Our founders’ experience and knowledge delivers its own unique brand of thought leadership

Edward Cartwright, CEO