Our family

We are a family and a lively, feisty, unique and creative professional who lives at the heart of event design. We are Sisters Inc.

Markku Kosonen

CEO
050 387 0059
markku@sisters.fi

Osnat Mangs

Event Architect, Partner
040 747 4851
osnat@sisters.fi

Dana Pikkarainen

Event Architect, Partner
040 582 5282
dana@sisters.fi

Pia Heikkinen

Office Manager
040 539 1667
pia@sisters.fi

Mervi Sademies-Enbom

Head of Marketing
050 919 6016
mervi@sisters.fi

Juho Wickström

Head of Sales
045 135 0826
juho@sisters.fi

Kalle Grönroos

Sales Manager
050 408 1166
kalle@sisters.fi

Henrietta Åström

Executive Event Design Manager
050 553 9999
henrietta@sisters.fi

Anne Lahtinen

Executive Event Design Manager
040 715 2044
anne@sisters.fi

Viveka Vihavainen

Executive Event Design Manager
040 766 1042
viveka@sisters.fi

Katri Rousu

Event Design Manager
044 977 4203
katri@sisters.fi

 

Heidi Laurikainen

Event Design Manager
045 157 4099
heidil@sisters.fi

Lina Hurmerinta

Art Director
040 543 5355
lina@sisters.fi

Johanna Lukic

Concept Designer / Planner
040 844 7571
johanna@sisters.fi

Riina Hohti

Event Design Manager
044 013 7158
riina@sisters.fi

The board of directors

Timo Ronkainen

Director
The board chairman

Dana Pikkarainen

Event Architect, Partner
A board member

Osnat Mangs

Event Architect, Partner
A board member

Mika "Luigi" Järvinen

Enabler
A board member

Janne Ritakoski

Entrepreneur
A board member

Copyright © 2023 Sisters Inc. All Rights Reserved.