In accordance with the Vaisala Oyj's Articles of Association, the Vaisala’s Board of Directors comprises at least three (3) and at most six (6) members. According to current practice, the Board comprises six members. All Board members are appointed by a Shareholders’ Meeting. The Board chooses a Chairman and a Vice Chairman from its members.
Term of office of members of the Board
The term of office members of the Board is 3 years. This practice deviates from the one year recommendation of Finnish Corporate Governance code. The term of office begins after the meeting in which the member is elected, and ends after three (3) subsequent Annual General Meetings.
Meetings of the Board
The Board of Directors had 9 meetings in 2009. An average of 98 per cent of the Board members was present at the meetings.
Vaisala's Board of directors has no committees. The Board discharges the duties of the audit committee. The Board of Directors conducts a self-evaluation process every year.
Vaisala Board of Directors in 2009

Board of Directors from the left: Mikko Voipio, Raimo Voipio,
Stig Gustavson, Mikko Niinivaara, Yrjö Neuvo, and Maija Torkko
Raimo Voipio (b. 1955), Chairman
Vaisala's Board member since 1989 and Chairman since 1994.
Principal occupation: Board memberships at various technology companies
Previous employment: Various product marketing positions at Nokia Corporation and private telephone companies
Other positions of trust: Board member of Novametor Oy, Space Systems Finland Oy and Vivago Oy
Board chairman term ends: 2011
Fees in 2009: 35 000 EUR
Yrjö Neuvo (b. 1943), Vice Chairman
Vaisala's Board member since 1989 and Vice Chairman since 1992.
Principal occupation:Various research technology and business related expert positions
Previous employment: Nokia Corporation, Technology Advisor (2006); Nokia Group Executive Board 1993 – 2005, responsible for product development of mobile phones
Other positions of trust: Member of the Board of Metso Corporation and Millennium Prize Foundation; Chairman of the Board of The Foundation of Technology, Artemis European Technology Platform, and Finnish Centre of Expertise Program; Member of Advisory Board of Tampere University of Technology; Vice Chairman of the Board of
Metropolia Polytechnic; Chairman of Scientific Advisory Board VTT Technical Research Centre of Finland and memver of Cornell University Council, and Finnish Science Centre Foundation (Heureka).
Board member term ends: 2010
Fees in 2009: 25 000 EUR
Stig Gustavson (b. 1945), Member
Vaisala's Board member since 2006
Principal occupation: Chairman of the Board of Konecranes Plc
Previous employment: Konecranes President and CEO (1994 - 2005)
Other positions of trust: Chairman of the Board of Dynea Oy, Svenska Handelsbanken (Finland), Tammet Oy, Arcada foundation, and Cramo Oyj; Board member of Fastems Oy, and Oy Mercantila Ab; Supervisory Board Chairman of Tampere Technical University and
Supervisory Board Member of Varma Mutual Pension Insurance Company
Board member term ends: 2012
Fees in 2009: 25 000 EUR
Mikko Niinivaara (b. 1950), Member
Vaisala's Board member since 2002
Principal occupation: President, Country manager of ABB Oy
Previous employment: President of ABB Industry Oy (1999-2001)
Other positions of trust: Board Member of ABB Oy, Confederation of Finnish Industries, Technology Industries of Finland and Energiaforum ry; Chairman of the Competitiveness Working group of Technology Industries, and Member of Advisory Board of Helsinki University of Technology
Board member term ends: 2011
Fees in 2009: 25.000 EUR
Maija Torkko (b. 1946)
Vaisala's board member since 2007
No principal occupation
Previous mployment: Senior Vice President, Corporate Controller at Nokia Corporation (1997 - 2006)
No other positions of trust
Board member term ends: 2010
Fees in 2009: 25 000 EUR
Mikko Voipio (b. 1960)
Vaisala's board member since 1994
Principal occupation: Scientist
Previous employment: Managerial and R&D positions in SW and Telecom business
Other positions of trust: Board Member of Fontus Oy and Novametor Oy
Board member term ends: 2012
Fees in 2009: 25 000 EUR
Secretary of the Board: Matti Kari, L.LM, Attorney at Law