Sean Christiansen

Air Quality & Environment Practice Director 01235 753538 sean.christiansen@ricardo.com View profile

Sujith Kollamthodi

Sustainable Transport Practice Director Sujith.Kollamthodi@ricardo.com View profile

Xingyu Xiao

Senior developer – Open source development +44 (0) 1235 753 682 Xingyu.Xiao@ricardo.com View profile

Gena Gibson

Director of Data Science and Machine Learning +44 (0) 1235 753 164 Gena.Gibson@ricardo.com View profile

James Harries

Principal Technical Consultant +44 (0) 1235 753 272 james.harries@ricardo.com View profile

Mark Broomfield

International Air Quality Director +44 (0) 1235 753 493 mark.broomfield@ricardo.com View profile

Sam Hinton

Consultant sam.hinton@ricardo.com View profile

Tara Vaughan

Consultant, Waste Management +61 (0) 404 519 498 tara.vaughan@ricardo.com View profile

David Carslaw

Air Quality Knowledge Leader David.Carslaw@ricardo.com View profile

Emma Syrat

Consultant, Waste Operations and Circular Economy +61 (0) 4974 77502 emma.syrat@ricardo.com View profile

Liz Baker

Managing Consultant +44 (0) 161 227 9777 liz.baker@ricardo.com View profile

Marianna Budaragina

Senior Consultant – Energy & Carbon Regulations +44 (0) 1235 753 165 marianna.budaragina@ricardo.com View profile