A rare depth of knowledge in how spreadsheets work under the hood

Founder and CEO of GRID, his fifth software startup. Founded DataMarket in 2008 and led it until its acquisition by Qlik in 2014, then served as Qlik's VP of Product Management in Boston. A career data nerd and entrepreneur, driven by a fascination with data, technology and how they reshape the world.

Co-founder, running GRID's finance and operations. Spent his career building new ventures internationally, including as VP of Operations at DataMarket alongside Hjálmar, and has lived in the budgets, forecasts and financial plans that companies run on. MBA from Reykjavík University.

Leads the team that builds GRID's engine, viewer and editor. An experienced front-end developer and team leader who has worked for early startups and international airlines alike, with degrees in both computer science and psychology, and an advocate for inclusive workplaces and women in technology.

Co-founder, and the systems engineer behind everything GRID runs on, from the first backend he built in 2018 to the platform the team and its AI agents run on today. Before GRID he was CTO at Takumi and one of three backend engineers behind the launch of QuizUp, then the fastest-growing iOS game in the world, and ran mobile network cores for a telecom.

Co-founder and a veteran of the web, with two decades of data visualisation and JavaScript behind him and a long trail of open source: textile-js, Orðla (an Icelandic Wordle), a Sōkoban in jQuery, and the spreadsheet libraries he wrote for GRID, fx for Excel formulas and numfmt for reproducing Excel's number and date formatting exactly.

Builds the interfaces where people read and edit spreadsheets in the browser, with a focus on quality and testing. Eight years of React and Next.js across Icelandair, Trialbee in Malmö and retail AI company HIVERY in Sydney, on top of degrees in computer science and psychology. The kind of developer who can be pointed at any problem.

Leads GRID's spreadsheet engine, and makes sure it matches Excel and Google Sheets, edge cases included. Nearly three decades in software and data: programmer at Dimon Software and National Bank of Iceland, CTO of DataMarket for six years, then Senior Architect at Qlik for six more. MS in Electrical Engineering from Stanford, and a decade lecturing at the University of Iceland.

Leads growth and sales at GRID, after building out its analytics and running Calculator Studio, where he helped companies turn spreadsheets into interactive tools. Data has been the constant throughout his career, spanning 20 years across travel, SaaS, gaming, and media. He has built segmentations, scoring models, and KPI frameworks to turn data into business decisions. He holds an MSc in Operational Research from LSE.

Designs and builds how people and AI agents work with spreadsheets. Built the React layer around GRID's spreadsheet renderer that a leading LLM platform ships in production, and helped build GRID's AI tools for Excel. Ten years across engineering, product, design and growth, including analytics and A/B testing at GRID, UX research at TripAdvisor and research work at an institute affiliated with the University of Maryland.

A backend engineer with sixteen years of production software behind him, whose work runs through much of what GRID ships: the Excel add-in, the tooling behind its SpreadsheetBench runs and the services around the engine. A decade at Hugsmiðjan before GRID, working in Python, Rust, Go and TypeScript.

Took GRID's formula editing and chart libraries to the next level, drawing on two decades in data visualisation and mapping. Early engineer at DataMarket, then at Já built the map of Iceland, highly commended by the British Cartographic Society. Taught data visualisation at Reykjavík University for four years.