hris Yamaya has been named east region manager, water practice at Parsons Brinckerhoff. He is responsible for growth of Parsons Brinckerhoff's water and wastewater markets with emphasis in the firm's Central, Northeast and Mid-Atlantic regions. Previously, Yamaya served as vice president and North America water market sector business leader for an international water engineering firm. He received his Bachelor's degree and Master's degrees from the University of Illinois.
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