top of page
Who we are
Hanaku is managed by individuals who are bringing to the company in-depth energy transition experience in infrastructure asset management, logistics and financial investments, lead by:
Management Team

Joëlle Christmann
Co-founder & Chairwoman
Joëlle is the Co-Founder and Chairwoman of Peleven, heading Finance, HR & Legal. Peleven is a leading life science engineering company. Joëlle was previously head of Finance, HR & Legal for the DACH Region at Morgan Sindall where she spent more than 12 years. She has a successful track record in start-up management and fast-growing companies.
Joëlle is the Co-Founder and Chairwoman of Peleven, heading Finance, HR & Legal. Peleven is a leading life science engineering company. Joëlle was previously head of Finance, HR & Legal for the DACH Region at Morgan Sindall where she spent more than 12 years. She has a successful track record in start-up management and fast-growing companies.

Jules Christmann
Board Member
Jules is currently a student at EPFL in Lausanne, specializing in environmental science & engineering. Jules is also a successful basketball player, having, prior to the beginning of his studies, started with the Basel Starwings in the Swiss premier league.
Jules is currently a student at EPFL in Lausanne, specializing in environmental science & engineering. Jules is also a successful basketball player, having, prior to the beginning of his studies, started with the Basel Starwings in the Swiss premier league.

Mehboob Madhavji
Board Member
A Swiss and Belgian National with Indian roots, Mehboob is a seasoned Private Banker in Geneva. His banking career spans over nearly 40 years, first with Citigroup, then UBS and Rothschild & Co where he is currently a Managing Director. On a personal basis, Mehboob is also an experienced investor, notably in impact investing. It is in this context that he co-founded the AlphaMundi Group in Zürich.
A Swiss and Belgian National with Indian roots, Mehboob is a seasoned Private Banker in Geneva. His banking career spans over nearly 40 years, first with Citigroup, then UBS and Rothschild & Co where he is currently a Managing Director. On a personal basis, Mehboob is also an experienced investor, notably in impact investing. It is in this context that he co-founded the AlphaMundi Group in Zürich.

Simon Nebel
Board Member
Over the past 20 years, Simon was involved in 4 Private Equity vehicles in healthcare and renewable energy as Managing Partner at Aravis with combined assets in excess of USD 300M. These funds invested in over 25 companies of which 19 healthcare companies; 13 healthcare companies either became public companies (SWX, ATX & NASDQ) or were acquired. In 2016 Simon founded Viopas Venture Consulting where he is Managing Partner.
Simon has extensive experience as Board of Directors from public & private companies. He currently holds five Board positions in tech companies.
Over the past 20 years, Simon was involved in 4 Private Equity vehicles in healthcare and renewable energy as Managing Partner at Aravis with combined assets in excess of USD 300M. These funds invested in over 25 companies of which 19 healthcare companies; 13 healthcare companies either became public companies (SWX, ATX & NASDQ) or were acquired. In 2016 Simon founded Viopas Venture Consulting where he is Managing Partner.
Simon has extensive experience as Board of Directors from public & private companies. He currently holds five Board positions in tech companies.

Guillaume Taylor
Vice Chairman & Chief Executive Officer
Guillaume has over 30 years of investment finance experience. He started his career as a credit and treasury specialist at Intel Corporation. He then went on to work within the private banking industry with Darier Hentsch & Cie (now Lombard Odier) and as a partner with de Pury Pictet Turrettini & Cie Ltd. In 2010 he founded Quadia SA, a leading impact investing asset manager.
Guillaume has over 30 years of investment finance experience. He started his career as a credit and treasury specialist at Intel Corporation. He then went on to work within the private banking industry with Darier Hentsch & Cie (now Lombard Odier) and as a partner with de Pury Pictet Turrettini & Cie Ltd. In 2010 he founded Quadia SA, a leading impact investing asset manager.

Cédric Christmann
Co-Founder and Investment Partner
Cédric is currently CEO of Primeo Energie’s Energy Business; he will become group CEO in April 2023. Prior to joining Primeo in 2005, Cédric worked for 13 years with Dietrich Process Systems, a 330-year-old family-owned business. He was based in various countries, notably in Japan where he was country CEO. Cédric brings two decades of pioneering experience and successful track record in renewable energy infrastructure asset management. He was a co-Founder of aventron, a Swiss leading small scale renewable energy company based in Basel.
Cédric is currently CEO of Primeo Energie’s Energy Business; he will become group CEO in April 2023. Prior to joining Primeo in 2005, Cédric worked for 13 years with Dietrich Process Systems, a 330-year-old family-owned business. He was based in various countries, notably in Japan where he was country CEO. Cédric brings two decades of pioneering experience and successful track record in renewable energy infrastructure asset management. He was a co-Founder of aventron, a Swiss leading small scale renewable energy company based in Basel.
bottom of page