Tuomisto received his UEFA A Goalkeeping coaching license in 2017.
Early career
Tuomisto lived in Turku in the 1990s and played as a goalkeeper at an amateur level with local clubs in lower divisions. He went on to make one appearance with Inter Turku in the second-tier Ykkönen, before focusing on coaching. Before starting coaching in senior teams, Tuomisto worked as a goalkeeping coach for the youth teams of Turun Toverit (TuTo). Later he moved to Lohja to study youth leading in Kanneljärven Opistofolk high school. He also worked in Tanoke-coaching company of Pertti Kemppinen in the Helsinki metropolitan area.[3][4] He was the goalkeeping coach of HIFK first team during 2007–2010 in the third-tier Kakkonen. In 2010, he joined the coaching staff of Mika Lehkosuo in Veikkausliiga club Honka.[5] The team won the Finnish Cup in 2012.
Coaching career
Since 2007, Tuomisto had traveled to Italy every year on his own expense to get familiar with different clubs and organisations at various levels, including Piacenza.[3]
Arzaghena
In 2014, Tuomisto was named a goalkeeping coach for Arzaghena in Italian Serie D and worked for the club for five months.
Between January 2018 and June 2020, he was the goalkeeping coach for Independiente del Valle in the Ecuadorian Serie A.[7] He also worked at developing the goalkeeping coaching of the club's youth academy.
Viitorul Constanta
After leaving Ecuador, he was appointed the goalkeeping coach of Viitorul Constanța in Romanian Liga I in 2020.[8]
Francesco Farioli coaching staff
Since the early 2021, Tuomisto has been working in the coaching team of manager Francesco Farioli, starting in Turkish Süper Lig clubs Fatih Karagümrük and Alanyaspor, before being named the goalkeeping coach of French Ligue 1 side Nice in July 2023.[9][10][11][12] During the 2023–24 season, Nice conceded season's lowest 29 goals in Ligue 1, which was also the top5 least allowed goals in all European top leagues.[3]
One year later in July 2024, Tuomisto followed Farioli to Eredivisie club Ajax.[13]
Personal life
Tuomisto speaks Finnish, English, Italian and Spanish.[3]