Team
Meet the experts behind Rascal AI.
Henri Rantanen
CEO, Co-founder
+358 40 759 7296henri@rascalcompany.fiHenri has dedicated over two decades to unlocking human potential.
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He helps individuals and organizations identify and overcome the mental barriers that hold them back from achieving their goals. He combines hands-on experience in entrepreneurship, sales, and leadership with a deep understanding of human psychology.
Mika Järvinen
Head of Sales, Co-founder
+358 50 376 1142mika@rascalcompany.fiFounder and CEO of Kuudes Aisti Oy, known as an inspiring and energizing coach.
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He helps companies and individuals achieve better results by challenging established ways of thinking and working, and by introducing fresh perspectives and tools that inspire and energize development and personal growth.
Sami Kiias
Head of Technology, Co-founder
+358 50 360 3619sami@rascalcompany.fiSami specializes in simplifying everyday business through technology.
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He helps clients adopt AI and automation with concrete, time-saving solutions that streamline marketing and communications. He combines experience in content creation and visual design with a deep understanding of no-code automation and AI solutions.
Mika Häyrinen
Investor & Advisor, Co-founder
mika.hayrinen@rascalcompany.fiA seasoned serial entrepreneur and angel investor, I bring over two decades of leadership experience at the intersection of marketing agencies and high-growth technology.
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I have a proven track record of launching, scaling, and successfully exiting ventures—most recently highlighted by the 2025 exit of Leadoo Marketing Technologies. My expertise lies in harnessing the evolving MarTech stack to drive business innovation and measurable growth. A fixture in the Nordic business ecosystem, I leverage my extensive board experience to provide strategic oversight and mentorship to technology companies navigating the complexities of modern digital transformation.
Arttu Puttonen
Developer
arttu@rascalcompany.fiArttu is a full-stack web developer who builds practical solutions with modern web technologies and AI.
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He holds a degree in software development from Tampere University of Applied Sciences, with a thesis comparing CNN architectures for traffic sign recognition in autonomous vehicle safety systems. He builds with React, Node.js, JavaScript, and Python, and has developed a member registry system serving hundreds of active users from frontend to backend. He also has hands-on experience running an e-commerce store, giving him a practical grasp of the business side alongside the technical one.
Mika Immonen
Growth Partner
mika.immonen@rascalcompany.fiMika has over 20 years of experience in sales and entrepreneurship. For him, trust is built through genuine human connection.
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Mika helps companies grow by building trust, long-term relationships and practical solutions. He combines commercial experience with a hands-on approach and is always looking for new ways to help businesses succeed.
Miika Tiihonen
Growth Partner
miika@rascalcompany.fiMiika helps companies achieve profitable growth by combining commercial expertise with people leadership.
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Miika has broad experience in entrepreneurship, business leadership and sales. For him, success is built on people, trust and the ability to turn strategy into concrete results. He believes the best results come from a clear direction, strong collaboration and the courage to challenge the status quo.