She is an environmental chemist who studied at Dartmouth College and Colorado School of Mines. She is particularly interested in the chemistry and transport of elements in both the natural and engineered environments with projects on lead contamination in drinking water and Sebago Lake water and sediment chemistry. She also investigates how chemistry education can involve the local community and is interested in training future science teachers. Dr. Lesher enjoys skiing, running, cooking, and jumping on a trampoline with her two small children.