ARTFEED — Contemporary Art Intelligence

OMA appoints three new partners and expands leadership

architecture-design · 2026-08-31

In July 2026, OMA, established by Rem Koolhaas, welcomed new partners: Marianne Anthonissen, Kaveh Dabiri, and Samir Bantal. Anthonissen, who became part of the firm in 2016, now shares management responsibilities with David Gianotten, a member since 2009. Together, they handle strategy, growth, and management, with Gianotten concentrating on operational efficiency and Anthonissen emphasizing cultural aspects. OMA has expanded its workforce from 59 to almost 280 employees across various global offices. The firm aims to retain 10 partners while balancing innovative and established projects. Significant works include the Taipei Performing Arts Center (2022) and the Martin – Bajes Kwartier masterplan. Gianotten oversees the Museo Egizio in Turin, while Anthonissen aspires to enhance the firm's legacy, viewing this as a pivotal time for OMA.

Key facts

  • OMA appointed three new partners in July 2026: Marianne Anthonissen, Kaveh Dabiri, and Samir Bantal.
  • Marianne Anthonissen and David Gianotten are now co-managing partners of OMA.
  • Anthonissen joined OMA in 2016 and studied architecture at the University of Cape Town.
  • Gianotten joined OMA in 2009 and has a degree in management.
  • OMA has grown from 59 employees to nearly 280 in seven years.
  • OMA has offices in Rotterdam, New York, Asia, the Middle East, and Australia.
  • Gianotten leads works at Museo Egizio in Turin.
  • OMA is exploring more growth in the South and aims for a 40% exploration, 60% familiar work balance.

Entities

Artists

Institutions

  • OMA
  • University of Cape Town
  • SeArch
  • Museo Egizio
  • Taipei Performing Arts Center
  • White Cube LIRCAEI
  • Wallpaper*
  • Aristotle University of Thessaloniki
  • The Bartlett
  • Thames & Hudson

Locations

  • Netherlands
  • South Africa
  • Amsterdam
  • Rotterdam
  • New York
  • Asia
  • Middle East
  • Australia
  • Turin
  • Taipei
  • Bali
  • Lusanga
  • Democratic Republic of Congo
  • London
  • Greece

Sources