Contributors to Criminological Theory: A Life-Course Approach, Second Edition Robert Agnew, PhD Emory University Yu Gao, PhD University of Pennsylvania Ronald L. Akers, PhD University of Florida Chris L. Gibson, PhD University of Florida Craig A. Anderson, PhD Iowa State University Andrea Glenn, PhD University of Pennsylvania J. C. Barnes, PhD University of Texas, Dallas George E. Higgins, PhD University of Louisville Stephen W. Baron, PhD Queen’s University Farnaz Kaighobadi, PhD Florida Atlantic University Kevin M. Beaver, PhD Florida State University Anna E. Kosloski, PhD University of Colorado, Colorado Springs Brian B. Boutwell, PhD Sam Houston State University Michael J. Leiber, PhD University of South Florida H. Harrington Cleveland, PhD Pennsylvania State University Margaret Mahoney, PhD University of Louisville C. Robert Cloninger, MD Washington University in Saint Louis Edward Manier, PhD University of Notre Dame Scott H. Decker, PhD Arizona State University Andrea D. Mata, PhD Kent State University Matt DeLisi, PhD Iowa State University Truce Ordoña, MD Private Medical Practice Alan J. Drury, PhD Candidate Iowa State University Jennifer H. Peck, PhD Candidate University of South Florida David P. Farrington, PhD Cambridge University Brian E. Perron, PhD University of Michigan Daniel J. Flannery, PhD Kent State University Melissa Peskin, PhD Candidate University of Pennsylvania Contributors to Criminological Theory: A Life-Course Approach, Second Edition Traci B. Poles, BS University of Florida John Paul Wright, PhD University of Cincinnati David Pyrooz, PhD Sam Houston State University Yaling Yang, PhD University of California, Los Angeles Adrian Raine, PhD University of Pennsylvania Ilhong Yun, PhD Boise State University C. Gabrielle Salfati, PhD John Jay College of Criminal Justice Robert A. Schug, PhD University of Pennsylvania Todd K. Shackelford, PhD Florida Atlantic University Edward L. Swing, PhD Iowa State University Stephen G. Tibbetts, PhD California State University, San Bernardino Chad R. Trulson, PhD University of North Texas Jeffery T. Ulmer, PhD Pennsylvania State University Manfred H. M. van Dulmen, PhD Kent State University Michael G. Vaughn, PhD Saint Louis University Anthony Walsh, PhD Boise State University Richard Wiebe, PhD Fitchburg State University