Tomi Rantasaari

CEO

Tomi has built a nearly 20-year career in various roles related to energy and procurement law. He has served as a Market Court judge and as a lawyer at Finland's largest power distribution company, Caruna. Additionally, he has provided legal support for Destia's energy business and participated in the construction contract for Finland's largest wind farm. Before becoming an entrepreneur, Tomi also worked as the Head of Legal Affairs at Den Group.

Stina Virkkala

Associate, LL.B.

Stina has experience working as an assistant lawyer at Finnish Consulting Group. In addition to legal assignments, she is responsible for marketing and maintaining our website.

Outi Lehtonen

Associate, LL.B.

Outi is responsible for monitoring markets related to renewable energy sources (hydrogen, biogas, P2X) and future trends. She also participates in legal assignments as an assistant lawyer.

Mirka Sieppi

Associate, LL.B.

Mirka has expertise in corporate law matters concerning infrastructure and energy sector companies. She is also responsible for collaboration with stakeholders in Northern Finland. Additionally, she participates as an assisting lawyer in assignments related to construction contracts.

Jimi Mahonen

Legal Trainee

Jimi works as a Legal Trainee whose responsibilities include conducting background research and assisting in the preparation of various assignments. He also monitors public discourse and developments in construction policy.

Venla Pietsalo

Legal Trainee

Venla works as a Legal Trainee and is responsible for background research and preparation related to assignments. She is also in charge of writing blog posts for our website and keeping up with new trends in the construction sector.

Meri Lehtonen

Marketing Manager

Meri is our social media expert responsible for the short video production on our channels as well as other marketing initiatives.

Sanni Suortamo

Marketing Manager

Sanni is a creative marketing specialist responsible for the visual identity and communication across our channels.

Joona Jämsä

M.Sc. in Industrial Engineering and Management

Envisor Oy

Joona is an energy sector expert and management consultant with diverse experience in corporate leadership, electricity transmission, and the development of renewable energy projects. He also has a background in demanding and international executive and project roles at Empower, AMSCO, and Onninen. Since 2023, Joona has been an entrepreneur at Envisor.

Saanamari Rosenberg

M.Sc. in Energy and Environmental Engineering

Envisor Oy

Saanamari is an experienced professional in the energy sector. Her core expertise includes EPC procurement, project and safety management, as well as warranty and claims handling. She has also led major wind and solar power projects. Before her current role as an entrepreneur at Envisor Oy, Saanamari held key positions at companies such as ABO Wind and Empower.

Olli Tuovinen

M.Sc. in Environmental and Process Engineering

Envisor Oy

Olli is an expert in quality and safety management as well as a management consultant, with extensive experience in operational leadership and comprehensive handling of HSEQ matters. He has gained professional experience in international organizations such as Efficient Network Partner, Tekniser, and Nestor Cables.