Contact Us


GreenStream Network Ltd
Kalevankatu 16 B 3
00100 Helsinki 

Telephone: +358 20 743 7800
Fax: +358 20 743 7810

Our emails are


Jussi Nykänen

Born 1963, Dr. (Tech.)

CEO for GreenStream Network Plc since 2009,
Executive Vice President (2001-2008), one of the founders of GreenStream

Current board positions

GreenStream Network Plc since 2001
Finnish Technology Development Programme Groove

Jussi Nykänen
Harri Roto
Harri Roto

Harri Roto

Born 1977, M.Sc. (Econ.)

Executive Vice President, China Project Origination and Management since 2010. Head of Intermediary Services and other management positions 2002- Feb 2009 and April 2010 onwards.

Finpro, Senior Consultant, Energy and Environment (March 2009 – March 2010). Tyrskytaimen Ltd, Managing Director (1997-2002)

Harri Roto

Mika Sulkinoja

Born 1968, MSSc: Economics and International Development Studies

Over 15 years of international experience in cleantech. As a Partner of Cleantech Scandinavia, effective networks with Nordic cleantech companies and investors. Special focus on climate change, energy efficiency and venture capital. Worked for international organizations (UNFCCC, UNDP, GEF), the Government of Finland (Ministries of Environment and Economy) and private businesses (GreenStream Network). Tasks have related to policy frameworks, project and venture financing and sourcing of applicable and scalable technologies. Selected managerial experience: coordination of Finnish Cleantech Cluster Programme; Teamleader for acquiring Emission Reduction Units (GreenStream - Carbon Manager for EBRD and EIB).

Mika Sulkinoja
Executive Vice President
Karl Upston-Hooper
Karl Upston-Hooper

Karl Upston-Hooper

Born 1972, LLB, LLM (Hons), Victoria University; LLM (summa cum laude) Katholieke Universiteit Leuven

General Counsel of GreenStream Network Plc since 2006.

Lead Rapporteur for the Finnish governmental climate change project on Legal Aspects of Emissions Trading (2005-2007). Victoria University of Wellington, Law lecturer (4 months 2004-2005). British Telecommunications plc, M&A Global Counsel (1999-2003). Telecom New Zealand Ltd, Networks Solicitor (1998-1999). Kensington Swan, Solicitor (1994-1998)

Karl Upston-Hooper
Legal Counsel
Joni Niiranen
Joni Niiranen

Joni Niiranen

Born 1979, (Econ)

Worked previosly at KPMG. Key expertise in external and internal accounting, corporate financing and risk management.

Experience of financial audits on clients sector of financial services. Participation in financial Due Diligence projects as a sector specialist.

Renewing and rationalizing the cost accounting system in a mid size energy company in Finland.

Evaluation and validation of sustainability projects for microsized companies in Peru. Onsite support to marketing campains for the project companies. Promotion and supply chain management of products on a national and international level.

Joni Niiranen

Finnish Carbon Asset Management Consulting (Beijing) Ltd.
Add:Rm1502 Area C, Tower 2 Wangjing Soho, Chaoyang District, Beijing China, 100102
Telephone: +86 108 525 3699
Fax: +86 108 525 3606
Beijing-Shanghai-Shenzhen-Hong Kong

北京市朝阳区望京Soho 塔2,C区1502室, 邮编100102

European Energy Savings Technologies (Shanghai) Ltd.
Add: Unit 103A14, Floor 1, Block 2, No.338, South Meigui road, FTZ, Shanghai, China


办公地址:北京市朝阳区望京Soho 塔2,C区1502室, 邮编100102


Edward Huang

Born 1981, B.Sc. (IT.) & B.Com. (Econ. and Fin.)

Director, COO of China Project Origination and Management since 2009.

Beijing Packgo Technology & Trading Pty Ltd, Founder & Managing Director (2008-2009).

China Hewlett Packard,  Senior Specialist and Analyst, TSG Sales Operation Dept, (2005 – 2008).

Edward Huang

Our offices