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Building a world-class player experience at Supercell. Focus areas include Supercell ID, Supercell Store and Supercell Web.

CPO (Chief Product Officer) for Mercari Marketplace. Working with our talented teams of product managers, designers, engineers, data scientists, marketers and many other wonderful people, to deliver best possible customer experience for our 22 million+ monthly active users in Japan.

Mitsui & Co

Sumitomo Mitsui Trust Bank

Globis Capital Partners

World Innovation Lab

Global Brain

Development Bank of Japan

GMO Venture Partners

East Ventures

ITOCHU Technology Ventures

United

Japan Post Capital

Mercari offers a mobile platform for people to buy and sell pre-owned items. Its catalog includes fashion, electronics, and handmade items. The mobile application is available for Andriod and iOS users

P2P mobile first marketplace for multi-category products

Responsible for Mercari customer experience and creation of a personalized marketplace with data, for our 18 million monthly active users with $5bn+ yearly gross merchandise volume.

As Director, leading our talented product management & design teams at Mercari.

- Head of Personalization, which includes Mercari Home screen, Recommendations and Search Quality.
- Manager of technical product managers.

Full-stack Development, Machine Learning, Data, SaaS.

Founded Reaktor's first international operation outside the home base in Helsinki, and took on the challenge of digitalizing Japan. Combined my own hands-on software development skills and technical leadership to locally hired talent in fields of software development, digital strategy and design.

Successful market entry to Japan, one of the most complex developed market & reaching multi-million dollar revenues from top-tier Japanese enterprises as clients & partners. Growing the Tokyo team from zero to 15+ with cross-functional business, sales, strategy, design and development capabilities.

Since starting the Tokyo operation, Reaktor doubled from 200 to 500 people globally, with multiple locations around the world including New York, Amsterdam and Dubai.

Started a FinTech startup-company with Reaktor based on our expertise in financial technology area, focused on using data and applying hard-core software development and data analysis skills as well as machine learning. 

Designing, analyzing and implementing high-frequency real-time automated trading systems to the US and European markets. Processing, analyzing and gaining insights from large financial big data datasets, using distributed computing (Hadoop, Clustering) and statistical methods & tools (R, Matlab, Python). Working closely with Data Scientists with PhDs to combine the possibilities of algorithms and technology.

Operating a trading desk for the US markets, and monitoring the performance of automated trading algorithms when deployed into production environments.

Researching energy-efficiency of modern mobile devices and development of related software tools. Measuring and modeling the energy consumption of Android applications and trade-offs involved in moving computation from smartphone devices to cloud environments.

We excel and make breakthroughs in and across science, art, technology and business. We renew our society with research-based knowledge, creativity and entrepreneurial mindset. Aalto University has been ranked the 7th best young university in the world (Top 50 under 50, QS 2018) and one of the world’s top technology challenger universities (THE 2017), thinking outside the box on research collaboration, funding and innovation.

Aalto has six schools with nearly 12 000 students and 4000 employees of which close to 400 are professors. Our campuses are located in Espoo and Helsinki, Finland. With 37% of our academic faculty coming from outside Finland, we are a highly international community with strong academic standing. 

At Aalto, high-quality research, art, education and entrepreneurship are promoted hand in hand. Disciplinary excellence is combined with multidisciplinary activities, engaging both students and the local innovation ecosystem. Our main campus is quickly transforming into an open collaboration hub that encourages encounters between students, researchers, industry, startups and other partners. With an exceptionally strong entrepreneurial community, 70-100 new companies are born in our ecosystem every year. 

Aalto University was founded in 2010 as three leading Finnish universities, Helsinki University of Technology, the Helsinki School of Economics and the University of Art and Design Helsinki, were merged to strengthen Finland’s innovative capability.

Full-stack software developer/architect. Based in Helsinki, working with Finnish as well as international clients and partners in the UK, South Korea and Japan.

Roles include hands-on software development and system design, as well as leading teams and helping clients find new directions for business through technology.

Worked with clients in e.g. mobile, finance and telecommunications industries. Technologies including Mobile (HTML5/IOS/Android), Embedded devices (C/C++/Qt/QML), JVM (Java/Scala), functional programming (Scala/Haskell/Reactive) as well as platforms, especially Linux and Tizen. 

Presentations at many developer conferences and similar events around the world.

Full-stack development responsibility of several signal processing, computer graphics & machine learning applications targeted to industrial markets, with complex integrations including bundled hardware components. Main technologies C++ and Java.

Working with various full-stack projects for myself and friends, mostly on a hobby/freelancer basis. Focused on web-technologies and games. Created one of the most popular Finnish gaming news websites at the time, sponsored by telecommunications operator kpnQwest.

Freelancer IT is a freelancer website that provides intermediation IT services between labor and projects.

Full-stack development of Internet gaming services with PHP/HTML (front-end and back-end) and providing content to Raketti Internet gaming portal.