Krakow, Poland Office

We develop software called Relativity that’s used around the world to manage and analyze complex data during litigation and investigations.

About Us


Our Software

With the power of machine learning and advanced analytics, Relativity handles massive amounts of data—in the cloud and on-premises—and helps users discover the truth.

Relativity is an open platform, making it easy for third-party developers and users to integrate new tools and workflows into the software.

Relativity is used in more than 40 countries, with customers such as Deloitte, the US Department of Justice, 75 of the Fortune 100, and more than 190 of the top 200 biggest law firms in the United States.

Relativity Offices - Krakow, Poland

Our Global Presence

Though our headquarters are in Chicago, we have 800+ team members spread around the globe—including our second largest product innovation center in Krakow, where top developers are revolutionizing the software and increasing our pace of being ahead of the game.

Relativity Offices - Krakow, Poland

Our Office & Technology

Relativity Krakow has more than 6 000 square meters of space with the most cutting-edge programming tools in the industry, including .NET, SQL and NoSQL, and Angular JS. The office is well-equipped with the Microsoft Surface Hubs, adjustable desks and comfortable space to maximize collaboration. Relativity Krakow is conveniently located close to city center at Al. Pokoju 5.

What You Can Expect

  • Autonomy on self-organized teams
  • Growth and innovation of a startup—but with corporate stability
  • Flat structure, transparency, and full responsibility for a product
  • Flexibility and continuous growth, including the possibility to change projects
  • Knowledge exchange work culture
  • Travel opportunities to our US corporate headquarters
  • Flexible working hours, with opportunities to work from home
  • Free snacks at the office with daily fruit delivery, a café-style coffee maker, and a fridge full of soft drinks
  • A fully equipped game room with PS4 VR, football, and ping-pong tables (official tournament ones!)

Some of Your Benefits

  • Life and health insurance
  • Yearly individual training budget
  • MyBenefit cafeteria program
  • Multisport card


Andrew Sieja

Andrew Sieja

Founder and Executive Chairman

Andrew Sieja is the founder and executive chairman of Relativity. As Relativity embarks on a multi-year transformation into a cloud-based SaaS company, Andrew is committed to offering a great product, providing relentless customer support, and ensuring that team members love working at Relativity. Andrew also started Relativity Gives, a community outreach program that has invested nearly $2 million in education and technology causes in Chicago, London, and Krakow. A computer programmer by trade, Andrew loves technology and worked as a technologist for a variety of multi-national companies and consulting firms prior to starting Relativity.

Fun Facts

  • Loves to snowboard
  • Once worked in an airport baggage department
  • Still remembers the smell of the Microsoft QuickBASIC manual—his first foray into computer programming
Mike Gamson

Mike Gamson

Chief Executive Officer

Mike first joined the Relativity team in 2017 as a member of the advisory board. He got the unique opportunity to get to know the company's business and team extremely well before stepping up to the role of CEO in 2019. Mike brings over 20 years of recruitment, sales, and product marketing experience to Relativity. In his former role at LinkedIn, Mike oversaw LinkedIn’s Global Solutions Organization (GSO) for its more than 30 offices worldwide, focusing on servicing corporate customers in three primary areas—talent solutions, marketing solutions, and sales solutions. Before LinkedIn, Mike was director of product marketing at Advent Software, a provider of enterprise software for investment managers, where he led the trading and order management business. Mike received his bachelor’s degree from Amherst College.

Fun Facts

  • First job was shining shoes
  • Favorite place is Costa Rica
  • Passionate about cooking
Christian Clouston

Christian Clouston

Director of Engineering

Christian Clouston is the director of engineering for Relativity Krakow, where he leads a passionate engineering office in building out the future of Relativity’s data transfer technologies. Before moving to Poland, Christian spent six years at Relativity headquarters in Chicago, where he led multiple teams to establish Relativity’s DevOps and Processing capabilities. Prior to that, Christian spent a decade as an itinerant nerd-for-hire, writing software for everything from GPS devices to global heavy transport shipping vessels.

Fun Facts

  • Met (in Istanbul) his wife (from the Netherlands) because of comic books (on an internet message board)
  • Has lived in five countries
  • Occasionally contributes to Forewarned Films, a film and television company he helped found

Positions in Poland