Dave Dwyer is Chair and Professor of Mathematics at the University of Evansville, where he has taught since 1990. Much of Dave's professional work has involved collaboration with Mark Gruenwald, also at the University of Evansville. In addition to the Resequencing Calculus project, the two have collaborated collaborated on a series of commercially published textbooks at the precalculus level. Both are accomplished teachers, with a combined 50 plus years of experience and over 90 calculus classes between them. Both have also received teaching awards from the University of Evansville. Dave has served as chair of the Department of Mathematics since 2007, succeeding Mark who had served as chair since 1998.