current lab members Heather Liddell Assistant Professor and PI of the Liddell research group Tripta Bhattacharjee Ph.D. Student, Environmental & Ecological Engineering Beth Kelley M.S. Student, Environmental & Ecological Engineering Catherinne Mejia M.S. Student, Environmental & Ecological Engineering Sanatkumar Rajagopalan M.S. Student, Mechanical Engineering Zubair Wahed Ph.D. Student, Mechanical Engineering Heyichen Xu Ph.D. Student, Environmental & Ecological Engineering Olivia Helmuth B.S. Student, Environmental & Ecological Engineering Andrew Morrissey B.S./M.S. Combined Degree Student, Mechanical Engineering lab alumni