profile image

Douglas C. Phillippy

Professor of Mathematics



(717) 796-1800 ext. 2140

Interest and areas of expertise
  • B.A., Shippensburg University, 1983
  • M.S., Ph.D., Lehigh University, 1986; 1991
Classes I teach

MATH 111: Calculus I
MATH 112: Calculus II
MATH 196: First Year Mathematics Seminar
MATH 198: Introduction to Mathematical Proof
MATH 211: Calculus III
MATH 270: Linear & Differential Methods
MATH 301: Numerical Analysis
MATH 308: Differential Equations
MATH 341: Mathematical Modeling
MATH 412: Introduction to Real Analysis


Dr. Phillippy came to Messiah College in 1993 after two one-year appointments at Muhlenberg College and Shippensburg University. He was trained as an applied mathematician, and some of his early work includes the construction of a mathematical model that measures the stresses that act on the feet of a runner. Currently, his professional interests include integration of faith and mathematics and developing mathematical maturity at the undergraduate level. He enjoys teaching calculus, differential equations, mathematical modeling, and analysis. He is a runner and enjoys participating in a variety of other sports. He is married (to Deb) and has four children (Michael, Lauren, Matthew, and Mark) ranging in age from 25 to 32. Dr. Phillippy attends Hope Grace Brethren Church where he leads the youth program.