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Antti Karjalainen

Founder of Sema4.ai

Helsinki, Uusimaa

Overview 

Antti Karjalainen is the Co-Founder of Sema4.ai, showcasing expertise in new business development, software engineering, and business strategy. With a strong background in technology and entrepreneurship, he has held key roles at companies like Robocorp and Siili Solutions, while also making strategic investments in startups like UltiHash.

Work Experience 

  • Chief Technology Officer

    2025 - Current

  • Advisor

    2022

  • Co-Founder

    2024 - 2025

    Redefining productivity and how people work through Enterprise AI Agents.

Sema4.ai's mission is to define the future of knowledge work by creating intelligent agents that alter how humans engage with AI.

Raised $30,500,000.00 from Canvas Ventures, Mayfield Fund and Benchmark.

  • Sequoia Scout

    2020 - 2024

Sequoia Capital is a VC firm that invests in startups in the energy, financial, enterprise, healthcare, internet, and mobile industries.

  • Founder, CEO

    2019 - 2024

    Founder and CEO of Robocorp, a San Francisco and Helsinki based company that is set out to change the RPA market with open source technologies. Backed by Benchmark, Canvas, and other awesome investors. Robocorp was acquired by Sema4.ai in January 2024 to launch the future of Enterprise AI agents.

Robocorp is a cloud platform for robotic process automation (RPA) and open source RPA tools.

Raised $32,613,170.00 from Slow Ventures, Benchmark, Canvas Ventures, Artisanal Ventures, Uncorrelated Ventures, Firstminute Capital, Haystack, Harpoon and Bossa Invest.

  • Member Of The Board

    2019 - 2023

  • Director of Intelligent Automation Solutions

    2018 - 2019

    Created a new business unit that offers a novel concept: RPA as a service by using completely open source technologies. Piloting and iterating the business model with customers, developing technology offering, and growing Intelligent Automation from a pilot to real business and making Siili the market leader in open source RPA.

  • Service Development Manager

    2018 - 2018

    Managing Siili's R&D project portfolio and leading the open source initiative to make Robot Framework an RPA tool.

  • Partner, Software Engineer, Sales

    2013 - 2018

    Founding partner at Omenia, a leading software automation consulting company. My role focused on defining the marketing and sales operations of the company as the business grew from a few people into tens of experts. We made Omenia the most valued brand in our software automation consulting field. Acquired by Siili Solutions in 2017.

  • Member of the Board

    2013 - 2017

  • Software Engineer

    2010 - 2013

    Software engineer in various R&D positions. Creating products that are used by millions of people every day.

  • Software Engineer

    2009 - 2010

Articles About Antti

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