Monika Haefelfinger Headshot

Co-Founder and President | XTEN Architecture

Monika Haefelfinger


Shaped by an apprenticeship at her father's architecture firm in Switzerland, Monika moved to Los Angeles, then New York City for her studies. She moved back to Switzerland to work for Herzog and de Meuron, playing a key role in several award-winning projects. Then she returned to the US to work for DMJM/Keating on notable high-rise projects in Asia, before establishing XTEN Architecture in 2000 with her late husband, Austin Kelly. 

Monika holds a MS in Advanced Architectural Design form Columbia University in NYC and a BArch from USC.