Jari Mäkimattila
Managing Director

Mäkimattila has been Managing Director of A-Kruunu since 2014.

Mäkimattila is by training an architect and EMBA. Before A-Kruunu, Mäkimattila worked for Kojamo (formerly VVO) between 1996 and 2014 in a variety of roles, including Head of Construction Contracting Unit. Prior to this, he was an architect at Raimo Teränne Architects.

Jari Mäkimattila is the Chairman of the Board of the Finnish Building Information Foundation and a member of the Board of the Housing Reform Association. He has previously served on the boards of the Finnish Affordable Housing Companies Federation KOVA, Housing Nordic-NBO and RYM Oy, among others.

Tarja Lappalainen-Liipo
Financial Manager

Lappalainen-Liipo has worked as Financial Manager at A-Kruunu since 2017.

She has a Master of Economics degree. Lappalainen-Liipo worked as Financial Manager at the Student Housing Foundation of Northern Finland from 2003 to 2017 and as Head of Department at Oulu Regional Electricity from 1987 to 2001.

Leena Aho-Manninen
Head of Construction

Aho-Manninen has worked at A-Kruunu first as a project manager between 2020 and 2024 and as Head of Construction since 11 September 2024.

Before joining A-Kruunu, Aho-Manninen worked as a project manager for Arkta Rakennus Oy between 2018 and 2020, as a project and property manager for TOAS (Tampere Student Housing Foundation) between 2010 and 2018, as a project manager for VVO Rakennuttaja Oy (curr. Kojamo) between 2000 and 2010, for Tampereen Kiinteistö Invest Oy between 1999 and 2000 and as a civil engineer for YIT-Yhtymä Oy between 1994 and 1996. 

Aho-Manninen is a Master of Science in Civil Engineering and Construction Management and Economics.

Leena Oiva
Development Manager

Leena Oiva stepped into her position as Development Manager at A-Kruunu in 2021.

Oiva is a Master of Science in Civil and Environmental Engineering. Before coming to A-Kruunu, Oiva worked as a Senior Sustainability Consultant at EcoReal. Prior to that, she served as the Development Manager and Key Account Manager for environmental organisation WWF Finland in 2010-2018 and at Nokia in various environmental and sustainability positions in 1998-2010.

Petteri Puolanne
Real Estate Property and Service Manager

Puolanne has been the Real Estate Property and Service Manager at A-Kruunu since 2017.

Puolanne has a Bachelor's degree in Engineering. Prior to A-Kruunu, Puolanne was Head of House Managers at the Y-Foundation. Between 1997 and 2016, he worked for Kojamo (now VVO) in management tasks related to property management, rental activities and managing customer relationships.

Riikka Vitakoski
Legal Cousel, secretary of board of directors

Vitakoski has been Administrative Manager at A-Kruunu since 2017.

Vitakoski has a Master of Laws Degree and has been Administrative Manager at A-Kruunu since 2017 and Legal Counsel since 2024. Before A-Kruunu, Vitakoski served as Administrative and Marketing Manager at T2H Companies from 2012 to 2017; as a Lawyer for RAKLI ry between 2006 and 2011, as a Representative for both the Finnish Association of Student Housing Organisations SOA and the Finnish Association of Construction Clients (RTL) from 2008 to 2011; and as a Construction Administration Officer at Sato-Rakennuttajat Oy from 2002 to 2006. Vitakoski also lectures at Kiinko.

Duties of the Managing Director and the Management Group

Managing Director

The Managing Director manages the day-to-day administration of the company in accordance with the instructions and regulations issued by the Board of Directors. The Managing Director ensures the legality of the company's accounting and the reliable organisation of the financial management.

Management Group

The Managing Director and other persons responsible for the company's core operations form the A-Kruunu management group. The task of the management group is to assist the managing director in the planning and management of operations and development of the company's activities. The management group is also responsible for preparing matters to be discussed by the Board of Directors.