Key People

Dr. Petrus Pennanen, CEO & Founder

After getting a PhD in theoretical nuclear physics Petrus did a couple of years of postdoctoral research before founding Leiki and developing the core algorithms for Leiki Focus. In 2005 he was placed as a nominee for World Technology Award. Petrus enjoys meeting customers and discussing how to take their business forward. After work he likes running and music ranging from electronic to opera. You can reach Petrus on his mobile at +358 40 5020355.

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Roy McDonald, MBA, A.B. (Physics), Head of Operations USA

With education from Stanford and Harvard Roy gained extensive experience building cutting edge technology-based products and became a highly successful and innovative CEO in technology and finance. He’s passionate about team building, product innovation, and market creation. Having built and sold successful businesses and product lines to Microsoft, Logitech, Sony, and Apple he has a strong track record of forming creative, collaborative and apolitical teams. Roy’s prior executive positions include heading sales, marketing, operations, finance, and development. Roy stays pretty busy with his 11 year old son and twin 5 year old girls who all enjoy travel, sports and cooking with dad. You can contact Roy on Google Voice number 650-549-4756.

Tomi Päiväniemi, CTO, MSc (Computer science)

After getting his degree Tomi worked as a researcher in artificial intelligence and information retrieval. He has been at Leiki for 6 years developing the IP with his team and passionately serving our customers. After years of partner dancing as a hobby he’s now also teaching it.

Noora Staf, Marketing Director, MSc (Econ.)

Noora is in charge of Leiki’s marketing and has key role in the office administration. She finished her degree in Sweden and started her marketing career in the world of fishing tackle in Ireland. In addition to making sure everything runs smoothly at Leiki and with our partners, Noora is also passionate about dance & travel, and runs a popular blog combining those subjects.

Sari Hyvärinen, Ontology Director, BA (Language Tech.)

Sari has a strong background in language technology, computer science and linguistics. She works with our team of ontology developers to keep the Leiki Ontology up to date on new topics that appear daily while making sure customer content ranging from news to videos and ad campaigns is accurately analysed and recommended. Outside of Leiki Sari likes photography and walks with her dog and children.

Henri Kynsilehto, Head of Semantic Systems, MSc (Philosophy)

Before joining Leiki, Henri was a researcher in cognitive science, computing, and philosophy. Now Henri develops our semantic systems and guides our ontology developers in their use. Henri likes to spend his free time with his family and long-distance running.

Antti Havanko, Project Manager, BEng (Embedded systems)

Antti worked for three years in his own company designing embedded systems before joining Leiki in summer 2011. At Leiki, he is developing Leiki Focus and working closely with the customers. Antti played ice hockey and football for many years and nowadays you can find him at the gym 3-4 times a week. You can contact Antti on his mobile: +358 40 7287081.

We are always interested to hear about new talent. The people at Leiki are team spirits, we enjoy learning new skills and developing pioneering technology. We’ll offer you challenging work in a growing organisation. If you believe you are what we’re looking for, send a short application with CV to jobs (at)