Meet Our Technical Leaders
Our Global Senior Principals have been acknowledged, rewarded and empowered to deliver high quality project and service outcomes for our clients around the world through our Technical Excellence Program. Read more about their achievements and impacts.

Chris Kline
Global Senior Principal - Sustainability & ESG

Gretchen Thach
Global Senior Principal - Environmental Services

Joanne Choe
Global Senior Principal - Gender and Inclusion

Marian Boreland
Global Senior Principal - International Development

Michael Bilney
Global Senior Principal - Asset Management and Resilience

Parag Shiswawala
Global Senior Principal - Public Financial Management

Pierre Hartzenberg
Global Senior Principal - Geospatial / Information Management

Richard Kell
Global Senior Principal - Infrastructure Advisory

Thomas Nogaj
Global Senior Principal - Water / Wastewater
Our clients also benefit from the leading expertise of our Regional Senior Principals. Discover more here.