Dr. Shaler received his doctoral degree from the Pennsylvania State University in 1968 and has had academic appointments at the University of Pittsburgh School of Medicine, the University of Pittsburgh School of Pharmacy,The City University of New York, New York University School of Medicine and most recently at the Pennsylvania State University.

In the wake of the terrorists’ attacks on the World Trade Center, he assumed responsibility for DNA identification effort. He designed the testing strategy and eventually coordinated the work of six different laboratories in that effort. In 2005, he published a book, /Who They Were, Inside the World Trade Center DNA Story: The Unprecedented Effort to Identify the Missing, /that told the story of the people behind the DNA work done at the Medical Examiner’s Office in New York City.

"Remember, We work for God."®