Voyen GroupThe Team

We have sat on both sides of the table.

Half of us come from the investing side, half from senior search. All of us work only the buy side, on global mandates: searches worldwide for APAC-focused investment professionals, and global hiring for the region's funds. Desks in Hong Kong, Tokyo, Greater China and Southeast Asia.

01The Team

William Yau

Founder & Managing Partner : Hedge Funds, Private Capital, Asset Management

Hong Kong 香港 : Tokyo 東京 : Kuala Lumpur

William is the Founder and Managing Partner of Voyen Group, an executive search and advisory firm specializing in front-office investment talent across hedge funds, private capital, and asset management. Based between Tokyo, Hong Kong, and Singapore, William partners with global and regional clients to identify top investment professionals across public and private markets.

With over 15 years of experience, William brings deep expertise in equities, credit, private equity, venture capital, and institutional asset management. Prior to founding Voyen, he was the Regional Head of Asset Management & Banking at RGF Executive Search, where he led hiring mandates across Asia. He began his recruitment career at Morgan McKinley, following earlier commercial roles at Procter & Gamble.

William holds an MA in International Business from the University of Edinburgh and completed the Executive Hedge Fund Program at Henley Business School. He is known for building trusted, long-term relationships through consistent delivery and collaboration, and for his nuanced understanding of APAC’s investment landscape.

Rupert Hay

Director : Global Markets & Alternatives

Hong Kong 香港

Rupert is a Director at Voyen Group, where he specializes in front-office executive search across both buy-side and sell-side institutions. Based in Hong Kong, he covers mid to senior-level hiring across global markets, with coverage spanning equities (cash, derivatives, prime services), FX, rates, and credit—both cash and derivatives.

With over two decades of executive search experience in Asia, Rupert has advised hedge funds, proprietary trading firms, asset managers, and investment banks on strategic hires across portfolio management, trading, quant research, and distribution. His past leadership roles include Managing Director at Stamford Group and Executive Director for Global Markets Asia at Sheffield Haworth, where he oversaw regional hiring across asset classes.

Rupert began his search career in 2004 after working in fintech sales, and holds a BSc in Mathematics from Queen Mary University of London. Known for his market insight and deep client relationships, Rupert brings a pragmatic and solutions-focused approach to every search mandate.

Linda Xiang

Director : Hedge Funds & Private Equity

Shenzhen 深圳 : Hong Kong 香港

Linda is a Director at Voyen Group, leading hedge fund and private equity searches across Greater China from Shenzhen and Hong Kong. Her coverage spans asset management, global markets, and commodities, with a network built on real-time insight into talent movement across the region.

She joined Voyen after nearly a decade with Bo Le, most recently as Managing Director of Bo Le Leaders in Hong Kong, where she ranked in the top tier of consultants across Greater China and sustained client partnerships spanning more than ten years. Earlier, she headed Bo Le's Suzhou office, and began her career at FESCO in Beijing advising companies on human capital strategy.

Linda holds an MSc in Biochemistry and Molecular Science from Central China Normal University and works in Mandarin, English, and Korean.

Jun Mardian

Director, Business Development : Hedge Funds, Private Equity, Venture Capital & Technology

Tokyo 東京 : Singapore

Jun is a Director at Voyen Group, where he leads business development efforts focused on hedge funds, private equity, venture capital, and high-growth technology firms. With a rare blend of institutional investment experience and entrepreneurial leadership, Jun brings a strategic and commercially grounded approach to building new client partnerships.

He began his career at Boston Consulting Group before moving into front-office investment roles at CLSA, Fortress Investment Group, Millennium, and Marubeni Corporation—where he managed multi-asset strategies across Asia with strong performance track records. He later co-founded and scaled several successful ventures in fintech, e-commerce, and consumer branding across Indonesia and Japan, gaining deep insight into startup and growth-stage ecosystems.

Jun is fluent in English, Japanese, Chinese, and Indonesian, and holds a degree in Materials Engineering from MIT. His cross-sector and cross-cultural experience enables him to connect with investment professionals and founders alike, helping clients access exceptional leadership talent across public and private markets.

Thierry Manga

Vice President : Hedge Funds & Private Equity

Tokyo 東京

Thierry is a Vice President at Voyen Group, leading executive search mandates for front-office investment roles across hedge funds, private equity, and long-only funds. His regional focus spans Japan, Hong Kong, Singapore, the UK, and the US, with expertise across deep fundamental hedge funds, platform models, activist strategies, and private equity special situations.

Before joining Voyen, Thierry was a Principal Consultant at RGF Executive Search Japan, where he helped launch and scale the FinTech practice. He partnered with financial institutions, digital asset firms, and enterprise technology providers on mid to senior-level hiring across investment and corporate finance functions. Earlier in his career, he spent nearly eight years at Robert Walters leading searches across financial services and tech.

Multilingual in English, French, German, Japanese, and Italian, Thierry brings deep cross-border cultural fluency to his client work. He holds a Bachelor’s degree in Management from the University of Fribourg and is based in Tokyo.

Kota Shimizu

Vice President : Venture Capital, Private Equity & Fundamental Hedge Funds

Tokyo 東京 : Hong Kong 香港

Kota is a Vice President at Voyen Group, leading executive searches for investment firms across Japan, Singapore, Hong Kong, South Korea, the United Kingdom, and the United States, with a focus on venture capital, growth equity, and fundamental hedge funds. He specializes in front-office investment hiring, advising domestic and international investment firms on the recruitment of senior investment leaders and other key investment professionals.

Prior to joining Voyen, he founded Survival Capital Partners, a boutique executive search firm specializing in venture capital and investment hiring. His executive search career spans more than a decade across Japan, mainland China, and Hong Kong with RGF Executive Search and JAC Recruitment International, where he advised both Japanese and global investment firms on senior-level hiring.

Kota is a native Japanese speaker with business proficiency in English and working proficiency in Mandarin Chinese and Korean. Having lived and recruited across Japan, mainland China, and Hong Kong, he brings deep expertise in Asia’s cross-border investment markets.

Toshikatsu Daniel Nara

Consultant : Private Equity & Hedge Funds

Tokyo 東京

Daniel is a Consultant at Voyen Group, specializing in front-office investment professional searches across hedge funds, private equity, and long-only strategies. He supports clients across Japan, Singapore, Hong Kong, Korea, the UK, and the US, with coverage spanning deep fundamental equity, platform hedge funds, activist strategies, and special situations private equity.

Before joining Voyen, Daniel was a Senior Consultant at NextWave Partners, where he focused on recruitment across North Asia’s renewable energy and infrastructure sectors. He also held a consultant role at Morgan McKinley in Tokyo, where he worked on mandates in investment banking, venture capital, fintech, and transaction banking.

A third-generation Japanese American born and raised in Chicago, Daniel brings a cross-cultural perspective and fluency in English and Japanese. A former competitive boxer and 2013 Chicago Golden Gloves contender, he brings the same discipline and drive to his search work. Daniel holds degrees from Temple University Japan and the University of Illinois Urbana-Champaign.

Agnes Liang

Consultant : Hedge Funds, Long-Only & Quantitative Firms

Hong Kong 香港 : Beijing 北京

Agnes is a Consultant at Voyen, specializing in front-office executive search across hedge funds, long-only asset managers, and quantitative investment firms. Her unique blend of investment research experience and cross-border fundraising exposure gives her a strong edge in understanding the dynamics of high-performing investment teams and the talent that drives them.

Before joining Voyen, Agnes worked at Anatole Investment Management, where she supported both investment research and business development initiatives. This dual exposure provided her with deep insight into how top-tier funds assess talent, scale their platforms, and build relationships with investors across Asia. She began her career at Deloitte in Hong Kong, focusing on audit and IPO advisory for companies preparing for public listing.

Agnes is a qualified HKICPA and holds a Master’s degree with distinction in Professional Accounting and Corporate Governance from the City University of Hong Kong, as well as dual bachelor’s degrees in Finance and Radio & Television Science from Sichuan University. She is fluent in Mandarin, Cantonese, and English.

Steven Su

Consultant : Buy Side & Alternatives

Shanghai 上海

Steven Su is a Consultant at Voyen Group based in Shanghai, where he leads investment talent searches globally with a Greater China angle. His mandate spans hedge funds, private equity, and long-only investment managers, with an emphasis on firms that adopt activist engagement strategies or deep fundamental, alpha-driven approaches. He works closely with both global and regionally focused clients in markets including Japan, Singapore, Hong Kong, Korea, the UK, and the US.

Before joining Voyen, Steven built a strong track record in investment consulting and operational leadership. He was most recently Vice President at Third Bridge, where he helped scale the firm’s China operations into one of its largest and most profitable global business units. Earlier in his career, he held research and client advisory roles that equipped him with a commercial understanding of how investment organizations operate and scale.

Steven brings a rare combination of on-the-ground market insight, operational rigor, and strategic thinking to every search. His cross-border exposure and experience advising investment teams allow him to align top talent with firms that are looking to grow, transform, or deepen their competitive edge. He holds a degree in Management (Accounting and Finance) from the University of Manchester and has passed CFA Level I. He is fluent in English and Mandarin.

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