Emil Wilhelm Wahlforss (25 June 1891 – 20 June 1969) was a Finnish engineer, industrialist and vuorineuvos.

Wahlforss was born in Helsinki, the capital of Grand Duchy of Finland. His father Henrik Alfred Wahlforss was an appreciated chemistry teacher in Polytechnical institute; his mother, Emilia Elisabeth née Långhjelm, was 24 years younger and originally from Ostrobothnia. The couple had four children: 1883 and 1885 born daughters Elisabeth and Henriette, and 1891 and 1895 born sons Wilhelm and Eric. While the father was doing significant research, his work, which was written in Swedish, remained without international attention. Another hindrance for his success was his drinking problem. He died in 1899 when Wilhelm was just eight years old. The family fell into poverty and moved often in the following years, however, staying in the same area, Oulunkylä.^[4]

During his school years in Swedish Normal School Wilhelm Wahlforss had classmates who later became influential, such as Hugo Österman and Hjalmar Strömberg.^[4] Wahlforss did well at geography and other subjects which required remembering, but not at mathematics, and particularly languages and writing created difficulties. He graduated few months late in autumn 1911 because first failed his matriculation exam in Finnish, the main language of the state.^[5]

In September 1911 Wahlforss signed up for mechanical engineering studies in his father's former workplace which had been in the meantime renamed University of Technology. His orientation was textile industry. His strong areas were mechanics, physics, inorganic chemistry and economics, but in such subjects which required practical skills, as laboratory exercises, his ratings were "satisfactory". He took part in student activities and was active in the students' union. Wahlforss had a hectic social life, as an organiser he was efficient and determined, and he is described as a self-confident and charming person. Already during his studies he decided to become a manager of some large company. At the end of his studies Wahlforss focussed on heavy machinery and industrial economy. He did his internship in De Förenade Yllefabrikerna AB in Helsinki, Finlayson repair workshop in Tampere and later in Helsinki at Hietalahti Shipyard and Engineering Works, and finally in State Railways' Engineering Works foundry. For his master's thesis he made a complete and detailed calculation about textile factory economics and gained excellent rating, graduating in March 1916.^[5]

In autumn 1915 Wahlforss started dating Siri Johanna Wrede, a young lady from Turku.^[6]

Ab Wärtsilä Oy, an iron works in Värtsilä, Northern Karelia, was in financial problems; the company was deeply in debt due to a long-time unprofitable operation. Wahlforss had gained reputation as a capable restructurer and hired as General Manager of the company. Wahlforss repeated the same as he had done before – he started to travel around the country to introduce the company products, but soon he realised that the company would not become profitable by producing just raw iron bars. Wahlforss decided to step up in degree of processing and soon the company started producing nails, band iron, radiators and other products. With these actions Wahlforss managed to lead the company result slightly to positive side in period 1927–1931, but it still did not manage to shorten its debts.^[7]

New problems came in 1931 during the Great Depression; Wärtsilä's financial situation got alarming and it was on verge of bankruptcy. The trading was stopped in Helsinki stock exchange. But two factors saved the company; the first one was galvanised wire production, which Wärtsilä had started right before the depression as the first company in the Nordic Countries. The second one was the company personnel which agreed about lowering of salaries in order to save the company. Already in 1932 Wärtsilä could pay dividend to its shareholders and the same trend continued in the following years.^[7]

Robert Mattson, the major shareholder of engineering company Kone- ja Siltarakennus, died in 1935. Kone ja Silta was a big industrial company that owned a big workshop in Hakaniemi in Helsinki, but also the Hietalahti shipyard and Crichton-Vulcan in Turku. Mattson's shares were kept in strongroom in Pohjoismaiden Yhdyspankki (PYP) as deposit for debts. Rainer von Fieandt, who was a board member in Kone ja Silta, Wärtsilä and PYP, organised together with Wahlforss a gigantic acquisition – Wärtsilä, an East Finnish company with 700 employees, took over the leading metal industry company of Finland in 1935. The transaction was fully funded by a loan given by PYP.^[7]

The new Wärtsilä Corporation lead now four units which all were barely profitable; therefore, many financial specialists expressed their doubts on the future of the company. However, Wahlforss restructured and developed the corporation determinedly during the 1930s. In 1938 the total number of employees reached 6 000.^[7]

The acquisition put Wahlforss on pedestal; he was the chairman first in the Finnish Metal Industry Association in 1937–1942 and thereafter in the Finnish Industrial Union 1942–1946. During the Second World War he travelled to USA to purchase weapons. After the war ended, Wahlforss participated in negotiations about war reparations with Soviet Union representatives and he was sent to Paris to attend as an expert attendee in the peace treaty negotiations in 1947. Over 40% of all war reparations which consisted of metal products were produced by Wärtsilä. At the end of 1940s number of personnel in Wärtsilä reached already 11 000.^[7]

Until 1954 Wahlforss was a member of delegation that negotiated about Soviet exports. In his negotiations with Soviet representatives he gained a legendary reputation; Wahlforss could only speak a couple of words in Russian and he did not know very much about naval architecture – but he was a true businessman and therefore he made a number of ship deals with Soviet Union.^[7]

Wahlforss resigned from the position of General Manager in 1961 but he remained as board member until his death in 1969.^[7]

Wahlforss entered into politics at the end of the 1950s and he was selected with a large number of votes to the köping council of Espoo in 1960 municipal elections as a member of Swedish People's Party. However, Wahlforss was used to make decisions quickly and he did not get used to political processes. He also could not apply his knowledge of economics. He left the council just after one and half year during the term.^[7]

Wahlforss participated in the so-called Honka alliance which was a wide-spectrum political project for overthrowing Urho Kekkonen in presidential elections of 1962. The alliance failed and got revealed and after this the personal relationship between Kekkonen and Wahlforss remained cold. Despite this, the men co-operated successfully in the Soviet trade relationships; Kekkonen promoted actively exports of the Finnish companies and Wärtsilä was the biggest individual Finnish exporter to Soviet Union.^[7]

• Zilliacus, Benedict (1984). Wilhelm Wahlforss (in Finnish). Translated from Swedish by Riitta Valajärvi. Porvoo: Oy Wärtsilä Ab. ISBN 951-99541-8-X.
• von Knorring, Nils (1995). Aurajoen veistämöt ja telakat (in Finnish). Espoo, Finland: Schildts Förlags Ab. ISBN 951-50-0735-6.