Counseling
Theories and Case
Conceptualization
A PRACTICE-BASED APPROACH
EDITORS
Stephen V. Flynn
Joshua J. Castleberry
10/13/23 10:44 AM
,COUNSELING THEORIES AND
CASE CONCEPTUALIZATION
,Stephen V. Flynn, PhD, LPC, LMFT-S, NCC, ACS, is a professor of counselor education, a research
fellow, the founding director of the Marriage and Family Therapy program, and the Play Therapy
program coordinator at Plymouth State University in Plymouth, New Hampshire. Dr. Flynn earned his
MA degree from Rowan University and his PhD from the University of Northern Colorado. He teaches
counseling; couple, marriage, and family; child and adolescent; and research and writing courses
for the Counselor Education, Marriage and Family Therapy, and Educational Leadership graduate
programs at Plymouth State University. He is a licensed professional counselor (Colorado), a licensed
marriage and family therapist (LMFT; Colorado, New Hampshire), a national certified counselor, an
approved clinical supervisor, an American Association for Marriage and Family Therapy (AAMFT)
clinical fellow, and an AAMFT approved supervisor. Dr. Flynn has diverse clinical experiences in
a wide range of applied settings, including inpatient psychiatric care; ED multidisciplinary teams;
agencies; residential treatment programs serving youth and families; wraparound services for youth
and families; chemical dependency intensive outpatient programs; university counseling centers; as a
private practice provider of individual, couple, and family counseling; and as the founding director of
a university-based counseling and school psychological service center.
Joshua J. Castleberry, PhD, NCC, is an assistant professor of counselor education at Kent State
University in Kent, Ohio. He earned his MS, EdS, and PhD degrees from Georgia State University. Dr.
Castleberry teaches courses on counseling theories, case conceptualization, foundations of addiction,
and psychopathology for graduate programs in Counselor Education and Supervision. He is also
a regional epidemiologist for the Ohio Substance Abuse Monitoring (OSAM) team under the Ohio
Department of Mental Health and Addiction Services (OMHAS), where he tracks drug trends in
Southeastern Ohio. With a primary clinical focus on addiction, trauma, and crisis counseling, Dr.
Castleberry has extensive experience as an addiction counselor, working with chemically dependent
clients and advocating for counseling services to at-risk homeless populations. His research interests
include clinical factors in populations experiencing poverty and issues related to self-development
within a self-determination theoretical lens. Dr. Castleberry brings an extensive background in
statistical modeling, data visualization, and analytical thinking to his research, as well as several years
of experience working in nonprofit management and leadership. He is committed to advancing the
counseling profession through his teaching, research, and clinical work.
, COUNSELING THEORIES AND
CASE CONCEPTUALIZATION
A PRACTICE-BASED APPROACH
Editors
Stephen V. Flynn, PhD, LPC, LMFT-S, NCC, ACS
Joshua J. Castleberry, PhD, NCC
Theories and Case
Conceptualization
A PRACTICE-BASED APPROACH
EDITORS
Stephen V. Flynn
Joshua J. Castleberry
10/13/23 10:44 AM
,COUNSELING THEORIES AND
CASE CONCEPTUALIZATION
,Stephen V. Flynn, PhD, LPC, LMFT-S, NCC, ACS, is a professor of counselor education, a research
fellow, the founding director of the Marriage and Family Therapy program, and the Play Therapy
program coordinator at Plymouth State University in Plymouth, New Hampshire. Dr. Flynn earned his
MA degree from Rowan University and his PhD from the University of Northern Colorado. He teaches
counseling; couple, marriage, and family; child and adolescent; and research and writing courses
for the Counselor Education, Marriage and Family Therapy, and Educational Leadership graduate
programs at Plymouth State University. He is a licensed professional counselor (Colorado), a licensed
marriage and family therapist (LMFT; Colorado, New Hampshire), a national certified counselor, an
approved clinical supervisor, an American Association for Marriage and Family Therapy (AAMFT)
clinical fellow, and an AAMFT approved supervisor. Dr. Flynn has diverse clinical experiences in
a wide range of applied settings, including inpatient psychiatric care; ED multidisciplinary teams;
agencies; residential treatment programs serving youth and families; wraparound services for youth
and families; chemical dependency intensive outpatient programs; university counseling centers; as a
private practice provider of individual, couple, and family counseling; and as the founding director of
a university-based counseling and school psychological service center.
Joshua J. Castleberry, PhD, NCC, is an assistant professor of counselor education at Kent State
University in Kent, Ohio. He earned his MS, EdS, and PhD degrees from Georgia State University. Dr.
Castleberry teaches courses on counseling theories, case conceptualization, foundations of addiction,
and psychopathology for graduate programs in Counselor Education and Supervision. He is also
a regional epidemiologist for the Ohio Substance Abuse Monitoring (OSAM) team under the Ohio
Department of Mental Health and Addiction Services (OMHAS), where he tracks drug trends in
Southeastern Ohio. With a primary clinical focus on addiction, trauma, and crisis counseling, Dr.
Castleberry has extensive experience as an addiction counselor, working with chemically dependent
clients and advocating for counseling services to at-risk homeless populations. His research interests
include clinical factors in populations experiencing poverty and issues related to self-development
within a self-determination theoretical lens. Dr. Castleberry brings an extensive background in
statistical modeling, data visualization, and analytical thinking to his research, as well as several years
of experience working in nonprofit management and leadership. He is committed to advancing the
counseling profession through his teaching, research, and clinical work.
, COUNSELING THEORIES AND
CASE CONCEPTUALIZATION
A PRACTICE-BASED APPROACH
Editors
Stephen V. Flynn, PhD, LPC, LMFT-S, NCC, ACS
Joshua J. Castleberry, PhD, NCC
