Meet the Career Development Team

Career Development Office
University of Arizona James E. Rogers College of Law
Robert Carroll Stubbs Suite
1201 E. Speedway, Tucson, Arizona 85721


Karen Kowalski

Assistant Dean for Career Development and Part Time Professor of Practice

Assistant Dean Karen Kowalski focuses on developing and implementing strategies to expand career opportunities for students and alumni, including assessing trends and changes in the legal market, strategies to address them, and enhancing relationships with public and private employers in Arizona and nationally. Prior to joining Arizona Law, Karen served as a Managing Director in the Chicago office of the largest and oldest international legal search firm, Major, Lindsey & Africa. She counseled attorneys of all experience levels regarding job opportunities and achievement of career objectives. Her job at Major, Lindsey & Africa required her to stay current with the ever-evolving legal marketplace by monitoring national and global business trends, changes in legal disciplines and organizational cultures, and trends in attorney hiring. Prior to joining Major, Lindsey & Africa, Karen was a partner at the international law firm, Winston & Strawn LLP, specializing in federal and state tax law. She holds a law degree from DePaul University College of Law where she was a member of the Order of the Coif and article and note editor for the DePaul Law Review. She also received an LL.M. in taxation, with honors, from Georgetown University Law Center. Karen serves as the Law College's liaison to the Board of Directors for the Pima County Bar Association.

Leah Won

Assistant Dean for Employer Outreach

Assistant Dean Leah Won counsels Arizona Law students and alumni in career development and partners with employers to develop opportunities for the Arizona Law community.  Based in Phoenix, Leah connects Arizona Law students and alumni to one of the largest legal markets in the west, while supporting Arizona Law graduates in local, regional, and national job searches. Leah is a native Tucsonan and 2005 graduate of Arizona Law. She practiced education law in California, representing public agencies in both private and government practice, including as deputy general counsel for San Francisco Unified School District.  Leah advised clients on the full range of legal issues encountered by public bodies, and specialized in the areas of labor and employment, charter schools, and board governance. Leah received her B.A. from Stanford University and is a former elementary school teacher with Teach For America.

Heather Zapata

Assistant Director

Heather has joined the Career Development Office after spending over ten years at the City of Tucson Prosecutor’s Office, where she supervised attorneys, represented the City in criminal litigation matters, participated in the recruitment of new attorneys, and mentored law students participating in internships and the 38(d) program. Prior to that, Heather was a judicial law clerk for the Honorable Charles Pyle at the United States District Court for the District of Arizona. She was honored in 2013 as the Arizona Prosecuting Attorneys’ Advisory Council Misdemeanor Prosecutor of the Year, and was a nominee for the Pima County Women’s Commission Women in Government Award in 2016. Heather is a double graduate of the University of Arizona, receiving her Bachelor of Arts in Women’s Studies in 2001 and her J.D. in 2004.

Shannon Trebbe

Senior Director and Professor of Practice

Senior Director Shannon Trebbe advises students seeking post-graduate judicial clerkships as well as Arizona Law's first-year students. Shannon utilizes her experience as a judicial law clerk and as a member of the hiring committee as a large international law firm to assist students in applying for post-graduate judicial clerkships and other legal positions. Prior to joining Arizona Law, Shannon was an appellate attorney with Steptoe & Johnson LLP, and she was a judicial law clerk for the Honorable Daniel A. Barker (now retired) of the Arizona Court of Appeals. Shannon graduated summa cum laude from Arizona Law, where she was a member of Order of the Coif, Arizona Law Review, and the ABA National Appellate Advocacy Competition moot court team. Shannon was also on the founding board of the Arizona Journal of Environmental Law and Policy, Arizona Law's environmental-law journal.

Amanda Bynum

Director of Externships and Bar Success & Part-Time Professor of Practice

Amanda Bynum is a Tucson native with an undergraduate degree in political science from the University of Arizona. She is a 2009 graduate of the University of Arizona James E. Rogers College of Law, where she earned a Certificate in Criminal Law and Policy. During law school, she had practical experience as a Rule 38(d) attorney in the Criminal Defense Clinic. She was awarded the Outstanding 3L Award in 2009. Amanda was an associate attorney in a private Arizona law firm practicing criminal defense from 2010-2012 before practicing as a felony trial lawyer at the Pima County Public Defender from 2012-2017. Amanda created and developed an ongoing CLE program for the Public Defender's Office in 2016 and led the Criminal Defense Clinic from 2016-2017. Amanda is a member of the AALS Clinical Legal Education Association, and the Association of Academic Support Educators. She formerly served as a board member of the Pima County Young Lawyers Division and Arizona Attorneys for Criminal Justice, where she served as Seminar Committee Chair from 2013-2016 and co-chair until 2017. Amanda received the AACJ Presidents Commendation in both 2015 and 2017 for her work developing continuing legal education for criminal defense lawyers. She teaches Basic Trial Advocacy in the fall semester and assists in the program year-round. Amanda has been with the Career Development Office since August 2017 where she counsels students on bar success, develops bar programming and curriculum and runs the externship program.

Lissette Calderón

Director of International Student Success

Lissette Calderón advises Arizona Law’s international students. Lissette has been working with the Arizona Law community for more than a decade, and leverages her skills working with students, most recently as Registrar of the College of Law, to best position both international students and other students who are interested in international opportunities for success. Lissette has worked in the legal field for most of her career. Before coming to Arizona Law, Lissette was Judicial Assistant for the late Honorable Alfredo C. Marquez, U.S. District Court, District of Arizona. She is also a University of Arizona alumna, receiving her bachelor of arts in anthropology with a minor in environmental science in 2011 and a master of legal studies in 2018. Lissette is bilingual, speaking both Spanish and English, and also some Portuguese and French.

Adam Cirzan

Director, Career Development Office

Director Adam Cirzan primarily advises Arizona Law’s third-year law students and recent alumni.  Adam was born in Tucson and has lived here his entire life. He earned a bachelor’s degree in classics in 2007 and a master’s degree in classics in 2010, both from the University of Arizona. After teaching high school for two years, he returned to the University of Arizona to attend the James E. Rogers College of Law and graduated summa cum laude in 2016. During law school, Adam earned a certificate in Criminal Law and Policy and interned at the Pima County Public Defender’s Office for three semesters as a 38(d) student. In addition, he participated in internships with Immigration and Customs Enforcement (ICE) and the Tucson Immigration Court. He sat for the February bar exam, and upon graduation, began working as an assistant public defender at the Pima County Public Defender’s Office in June 2016.  As a trial attorney with the Pima County Public Defender, Adam managed a felony criminal caseload and was a member of the ethics panel.  

Shannon Walker

Coordinator, Career Development Office

Shannon Walker is the Coordinator in the Career Development Office at the James E. Rogers College of Law. She is the "nerve center" of the CDO, supporting the CDO staff as they work to obtain employment opportunities for the College's students. Shannon is a native Tucsonan and University of Arizona graduate, having obtained her dual degrees in Psychology and Sociology from the University in 2013. Shannon joins the CDO after spending several years working as a data analyst on behalf of a major technology company.