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Graduate School

Faculty

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Faculty

Dr. Barbara Coles

Dr. Barbara Coles was born in Chicago, IL, but have lived in many states, with the longest stay in Florida. She has been a nurse for 23 years in various management and clinical areas to include: Director of Nursing, community health, medical-surgical, ICU, HIV, prison population, home health, research, geriatric, veterans care, and mental health.

Prior to a career in nursing, she served 10.5 years in the United States Air Force as a cost and economic analyst achieving the rank of Major. She is a member of Sigma Theta Tau International, American Nurses Association, and American Psychiatric Nurses Association.

She completed a Bachelor of Science in biology degree from Mac Murray College, a Bachelor of Science in Nursing degree from The Johns Hopkins University, a Masters of Art in Health Care Administration from Central Michigan University, and a Doctorate of Philosophy in Nursing from The University of Phoenix. She holds a national certification in medical-surgical nursing with the American Nurses Credentialing Center.

Professionally, she has taught online and classroom courses in community health nursing, nursing leadership, public health HIV/AIDS, mental health nursing, gerontology, and health policy. Other instruction includes doctoral graduate work for the DNP program. She is a member of the Joanna Briggs Institute (JBI) Mental Health Expert Node and a regular book reviewer for Elsevier, Yoost and Sherpath publishers.

On a personal level, her current hobby is spending time at the spa relaxing, thrift shop bargain hunting, international traveling and mentoring new nurses.

Faculty

Dr. Brian Esterling

Dr. Brian Esterling is the Department Chairperson for the Graduate Psychology Programs, which comprise concentrations in community mental health counseling, industrial/organizational, and general psychology. As a licensed clinical psychologist with significant business education and experience, he is very aware of the interpersonal dynamics and qualities that allow students and faculty to achieve at the highest levels across each of these disciplines and in a variety of settings. It is these qualities of teamwork, communication (written and verbal), listening, and creative thinking that promote effective teams and best practice outcomes (either in the counseling, business, or educational settings).

Having a wide range of interests, he began his career specializing in behavioral medicine at the University of Miami and Ohio State University School of Medicine, publishing many articles on the role of chronic stress and immune system modulation. More recently, Dr. Esterling’s interests have focused on the intersection of business and mental health where he has experience in the private business sector, responsible for controlling costs and financial risk through clinical utilization management procedures for Fortune 500 companies. These latter experiences has led to questions pertaining to the role of alternative payment strategies (e.g., value based payment) on quality clinical outcomes (e.g., readmission rates and/or compliance with aftercare appointments and treatment prescriptions).

On a personal note, Dr. Esterling has been competitively rowing over the last 35 years for several rowing clubs along the East coast. As such, he has adopted many of the traditions of rowing into his professional and personal life. The belief that we must be in synch and pulling together, communicating with a common voice, and not giving up in times of challenge, are all traits that transcend counseling, industrial/organizational, and general psychological principles, and which will prepare students and faculty to perform at the highest levels.

Faculty

Dr. Tiffany Jordan

Dr. Tiffany Jordan is the MBA Chair of International Business Concentration in the Graduate School where she is Course Manager/Developer. She is also a professor in the DBA and on the Dissertation Committee. Dr. Jordan is very student-centered guiding and mentoring students to success. Her philosophy is – “students’ success is our success – hers and Keiser University. Education raised the bar allowing her to venture to many destinations she never thought possible.

She was raised in London from an Afro-Latino Caribbean and Barbadian family, living in the Middle East, the Caribbean, South America and South Florida. However, she “beat the odds” overcoming many difficulties to earn her DBA in International Business and Management; MBA In Marketing; MBA in Human Resources; and B.S. in Business Management. She holds nine certificates from the United State Department of Homeland Security - Department of Naval Academy on Terrorism. She also became accredited from the Global Academy of Finance and Management (GAFM) in Accredited Management Consultant (AMC), Certified Human Resources Management Consultant (CHR), Certified Leadership Consultant (CLC), and Certified International Professional Teacher (CIPT) for 2017 - 2020.

With 18 years in higher academic experience, Dr. Jordan has held many positions and worked for many global universities before coming to Keiser University in March 2007. Her research interest is in global and international issues with many publications on cultural and human resources topics. To name a few, she is Co-Chair of Conference and Award Committee, International Institute of Marketing Professionals (IIMP) and Member of IBS International Board of Quality Standards ISO29990 and 9001.

Faculty

Dr. Ashlee Robertson

Dr. Robertson is a professor, advisor, dissertation chair, and program coordinator in the graduate school education department. She comes from a background of teaching, leading, and innovating through curriculum and instruction in the K-12 schools. She began as a high school English teacher in New York, and then Florida. While teaching and coaching track and field, she earned her MS and PhD degrees and became as curriculum specialist for public charter schools that expanded into four states. Dr. Robertson then opened a virtual charter school where she was the lead administrator and student-learning advocate. She expanded into consulting as an instructional designer with charter schools that wished to bring virtual and blended education through their schoolhouse doors. Dr. Robertson’s background has focused on the importance of education, teaching, and a student-first philosophy, which started in her own doctoral studies and progressed as an adjunct and then full-time professor at Keiser University, where she is an established faculty member.

Dr. Robertson is dedicated to the “student-first” philosophy demonstrating her commitment to student success, development of collegial relationships with students in online courses, and support for students through each step of the process in becoming lifelong learners and researchers. Dr. Robertson believes in the importance of being available to students, offering constructive and relevant feedback, flexibility and support, and a rigorous and relevant focus on the content, as do all within the Keiser faculty.

Faculty

Dr. Manuel Rosa

The “electrifying” Dr. Manuel Rosa is a professor, advisor, and dissertation chair for the education department. He also serves as chairperson of the graduate school assessment committee. Dr. Manuel Rosa was born and raised in New Jersey. Growing up, he did not believe he had the academic or financial means to attend college. He accompanied a friend on college tours where counselors encouraged him to apply. As a first generation college student and active student leader, he developed a passion for higher education He earned a Bachelor of Arts Degree in Psychology and Puerto Rican and Hispanic Caribbean Studies from Rutgers University, a Master of Science Degree in Student Personnel Administration from New York University and a doctorate degree in Higher Education Administration from Florida International University.

He has worked in both the private and public sectors of higher education and has held positions in residence life, student activities, student services, human resources and academic affairs. He is passionate about providing students with the tools and motivation to earn college degrees and being a university professor has allowed him to make an even greater difference. With his career start in Student Services, he has maintained an emphasis on helping students succeed through motivation, support, and other retention measures. In transitioning to a university professor, he discovered additional ways to support student learning and academic accomplishments by incorporating a variety of instructional strategies tailored to student learning styles and interests. Providing authentic, meaningful feedback to students requires skill and attentiveness, qualities he focused on improving in his own practice. From his personal experiences, he understands the value of degree attainment and work diligently and collaboratively with students to help them achieve their goals and plan their own career development. Currently, he resides in South Florida.

Faculty

Dr. Gerald F. Sullivan

Dr. Gerald F. Sullivan was raised in Miami, Florida. He graduated from the University of Georgia with a Bachelor of Business Administration degree and a major in Banking and Finance. He was employed as a National Bank Examiner by the Comptroller of the Currency, a division of the US Treasury Department. During his time as a National Bank Examiner, he earned an MBA from Georgia State University in Atlanta, Ga. After serving in several banking positions, he left banking to become a senior executive in health care. After a successful sale of the healthcare company, and two of its divisions, to two British multinational corporations, he enjoyed success in the field of industrial software development and sales. He then returned to banking as the president of two banks. After a few ventures in investment banking related enterprises, he earned his Doctorate in Business Administration from Nova Southeastern University in Ft. Lauderdale, Fla. Across this time span Dr. Sullivan attended, and earned, various banking and business certificates from Rutgers University and The University of Colorado, as well as Harvard University’s Advanced Management Program. He has been teaching at Keiser University’s Graduate School of Business since 2007 primarily in the areas of finance and management. His academic research is concentrated on Community Banks, where he and his research associates have debunked long-standing theories in the area of customer service and its relationship to profitability.

Faculty

Dr. Frederick Turner

Dr. Frederick Turner is the Chair for Criminal Justice and Homeland Security programs in the Graduate School. Dr. Turner is steadfast to the “student-first” philosophy by demonstrating his commitment to the success of our students at Keiser University. Dr. Turner was born and raised in Virginia Beach, VA. Following his father’s footsteps of serving in the U.S. Navy after seven years of active-duty service as a rated Master-at-Arms (in layman’s terms, military police), he decided to continue his education with the overall goal of continuing to serve his country, this time with the federal government. Dr. Turner started his federal service as an Intelligence Analyst with Customs and Border Protection serving in a biometrics division at the National Targeting Center in Sterling, VA. In this role, he was responsible for researching the background of individuals of interest pursuant to their admission to the United States, including those who have been biometrically identified in order to determine if they pose a threat to national security.

Academically, Dr. Turner holds a PhD in Criminal Justice with a focus in Behavioral Science from Nova Southeastern University, a Master of Public Administration from Troy University, and Bachelor of Arts in Criminal Justice from Saint Leo University. With over 12 years of combined experience serving in the U.S. military and federal government, he has also served as a board member of the American Board of Intelligence Analysts from 2013 to 2016 and is an active member of the Academy of Criminal Justice Sciences and the American Society of Criminology. His main research interest is on police militarization and policy legitimacy and has his work published in the peer reviewed journal Police Practice and Research and a book on Police Militarization. He current lives in South Florida with his wife and daughter.

Faculty

Dr. Gregory M. Vecchi

Dr. Gregory M. Vecchi is an adjunct professor in the Master of Arts in Criminal Justice and Master of Arts in Homeland Security programs here at Keiser University. Dr. Vecchi retired from the FBI in February 2014 after 29 years of combined service in the military and as a federal agent. During his career, Dr. Vecchi investigated Russian organized crime, international drug trafficking, international and domestic terrorism, and violent crime. Dr. Vecchi was formerly the Chief of the FBI’s legendary Behavioral Science Unit and an FBI crisis and hostage negotiator. Dr. Vecchi is currently a Reserve Deputy Sheriff with the Buchanan and Clinton County, Missouri Sheriff’s Department. Dr. Vecchi is an Assistant Professor of Criminal Justice at Missouri Western State University (MWSU), where he teaches law enforcement topics in criminal justice at the undergraduate and graduate levels, as well as police cadets at the MWSU Law Enforcement Academy. Dr. Vecchi also conducts behavior-based research, training, and consultation in firearms, use-of-force, active shooters, business negotiation, hostage negotiation, crisis intervention, interview and interrogation, deception detection, conflict resolution, behavioral analysis, case analysis and investigations, threat and risk assessment, personal protection, and crisis management. Dr. Vecchi is published in many of these areas and he travels around the world to deliver consultation and training solutions.

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By clicking the "Submit" button, I authorize Keiser University to make or allow the placement of recurring marketing calls, emails, and texts to me at the phone number that I have provided, including through the use of automated technology or a prerecorded or artificial voice. I understand that I am not required to provide my phone number as a condition of purchasing any property, goods, or services. Privacy Policy