Prior to EXP, Andrews was president/ CEO of the Ontario Clean Water Agency and before that was chief executive of global water at AECOM.
Formerly of Thornton Tomasetti and Schoor DePalma, Steve Ross brings 30 years of experience to the new role.
The move follows the retirement of president and co-CEO Vladimir Stritesky as of July 31.
The re-making of the J.-M. Jeanson Drinking Water Treatment Plant in Sherbrooke achieves economic and environmental goals.
Rousseau will be responsible for growing exp’s footprint in the railway sector and for building a dedicated team of professionals.
The objective is to plan work on the existing structures over a five-year period to maintain traffic safely until the 50-year-old bridge is fully replaced over a 10-year horizon.