Ólafur Guðmundsson

Co-Founder & CEO at KLAK - Venture Mentoring Service

Seltjarnarnesbær, Iceland
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Summary

👤
Senior
🎓
Top School
Ólafur Guðmundsson is a product-driven engineer and serial founder with 16 years of experience building and scaling high-performance engineering teams and B2B platforms. As co-founder and former CTO of Bókun (acquired by Tripadvisor) and now CEO of Medalia, he blends hands-on backend engineering with strategic leadership to grow products into global markets. He helped scale Bókun to serve customers across 170 countries and later led engineering at Tripadvisor, demonstrating expertise in distributed systems, high-load architectures, and operational scaling. An active contributor to open-source Java tooling, his work on the Morphia MongoDB mapper shows deep familiarity with data modeling, references and polymorphic mapping. Based in Iceland, he mentors startups through KLAK and brings a pragmatic, product-first mindset that couples technical craftsmanship with measurable business outcomes.
code16 years of coding experience
job21 years of employment as a software developer
bookComputer Engineering, Computer Engineering at Háskóli Íslands
bookMenntaskólinn í Reykjavík
bookTechnical University of Denmark
languagesIcelandic, English, Danish
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Stackoverflow

Stats
121reputation
3kreached
4answers
4questions
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Github Skills (18)

annotations10
data-modeling10
java10
mongodb-database10
annotation-processing10
javas10
odm10
mongodb10
elasticsearch6
oauth6
single-sign-on6
akka6
groovy6
security6
webservice6

Programming languages (3)

TypeScriptJavaJavaScript

Github contributions (5)

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MorphiaOrg/morphia

Jan 2010 - Jun 2010

MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver
Role in this project:
userBack-end Developer
Contributions:30 commits in 5 months
Contributions summary:Ólafur primarily contributed to the core logic of the Morphia library, a MongoDB object-document mapper for Java. Their work involved implementing new features and modifying existing ones within the `Mapper` class, including adding support for new data types and annotations like `@Polymorphic`. The user also addressed bugs and improved the DAO (Data Access Object) functionality, making the library more robust and flexible. Several commits focus on improving the handling of references and embedded objects within the mapping process.
mongo-java-drivermongokotlindocument-mappermapper
Bokun/api-docs

Mar 2016 - Jul 2019

Documentation for the Bokun API in Open API format (previously swagger).
Contributions:32 commits, 44 pushes, 2 branches in 3 years 3 months
apiredocapi-documentationswagger-uiopenapi
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Ólafur Guðmundsson - Co-Founder & CEO at KLAK - Venture Mentoring Service