Staff

Kelly Callihan, Esq.

Executive Director
Email address: kcallihan@pdaa.org

Kelly Callihan is the Executive Director of the Pennsylvania District Attorneys Association.

Kelly is a career prosecutor and former district attorney who has spent 28 years seeking justice for victims in both Cambria and Dauphin counties. During her career, Callihan prosecuted countless child abuse cases, felony sexual assaults and violent crimes in both juvenile and adult courts. She also spearheaded the creation of programs and task forces designed to enhance services for victims in the criminal justice system while working to build treatment courts to address offenders’ needs and non-profit organizations designed to enhance public safety.

Kelly served as an Assistant District Attorney in Cambria County for 14 years and District Attorney for 10 years. In 2020, she joined the Dauphin County District Attorney’s Office as a Deputy District Attorney and was also the clerical staff supervisor and Open Records Officer. In 2022, she was hired by PDAA as Counsel for Policy & External Relations prior to becoming the Executive Director in 2023. She has presented on numerous criminal justice topics to various audiences throughout her career.

From 2011-2019, Kelly served on the Executive Committee of the Board of Directors for PDAA and PDAI and was appointed by the Supreme Court of Pennsylvania to serve on the state Criminal Procedure Rules Committee from 2012 to 2017.

In her tenure as DA, she created the Cambria County Human Trafficking Response Team to raise awareness, train investigators to identify/recover victims and provide needed support; the Cambria County Drug Coalition (CCDC), a collaborative approach to better address the opioid epidemic and reduce the number of overdose deaths; the Circle of Support Child Advocacy Center to ensure the county was utilizing the recommended best practice model for investigating child abuse and serving victims’ needs; the Cambria County Sexual Assault Response Team (SART) and Elder Abuse Task Force. In 2010-2011, she worked with SART to develop the first known anonymous sexual assault protocol which is now used as a national model.

Kelly was active in the implementation of Veterans Court and Mental Health Court. As DA, she served as Board Chair of the Cambria County Special Emergency Response Team and was a member of the Criminal Justice Advisory Board, Prison Board, Cambria County Drug Task Force and DUI Task Force.

In 2024, she was appointed by the Pennsylvania Supreme Court to serve on the Elder Justice in the Courts Advisory Council.

Kelly holds a J.D. from the Dickinson School of Law (1993), and a B.S. in Health Policy & Administration with a Minor in Business from Penn State University (1993). Kelly lives in Johnstown with her husband Derrick. They have two daughters: Quinn and Molly.

Allison J. Hrestak

Chief Operating Officer/
Director of Training &
Membership Services
Email address: ahrestak@pdaa.org

Allison currently serves as the Chief Operating Officer/Director of Training & Membership Services for the Pennsylvania District Attorneys Association and Institute.

As Chief Operating Officer, she oversees the day-to-day administrative and operational functions of the PDAA and PDAI following the policies and goals set forth by the Executive Director, Executive Committee, Board of Directors and membership.

As of Director of Training and Membership Services she is responsible for organizing and developing PDAA’s and PDAI’s statewide conferences and training events including: curriculum development, negotiation of contracts, marketing of courses and overseeing the compliance with all requirements of the Continuing Legal Education (CLE) Board.

Ms. Hrestak also serves as the liaison for training grant related projects, such as the Child Abuse Coalition, Juvenile Prosecutors Network, State Correctional Institution Crimes Prosecutors Network and the Education and Training subcommittee.

She most recently served as the Press Secretary in the Department of State’s Office of Communications and Press for the Ridge/Schweiker and Rendell Administration’s. She also served as a Deputy Press Secretary for the Department of State as well as a Press Aide in Governor Tom Ridge’s Office of Communications and Press.

She is a 1999 graduate of the Pennsylvania State University, where she earned a bachelor’s degree in Communications. She resides in Dauphin County with her husband Frank and dog Samson.

Chelsea A. Robbins, Esq.

Director of Policy and Legislative Affairs
Email address: crobbins@pdaa.org

Chelsea A. Robbins serves as the Director of Policy and Legislative Affairs for the Pennsylvania District Attorneys Association, bringing more than a decade of prosecutorial experience and a strong background in criminal justice policy, trial advocacy, and law enforcement training to the position.

Prior to joining the Association, Ms. Robbins served for more than ten years as a Senior Deputy District Attorney in the Dauphin County District Attorney’s Office. As a member of the office’s trial team, she handled complex criminal matters and developed extensive courtroom and litigation experience. She also served as a supervisor of the Juvenile Division, where she provided leadership in matters involving juvenile justice and the prosecution of offenses involving young people.

Among her most notable accomplishments in Dauphin County was the creation of the Elder and Care-Dependent Mulitdisciplinary Investigative Team, a collaborative initiative focused on combating abuse, neglect, and financial exploitation of older adults and care-dependent individuals. The team brought together professionals from multiple disciplines to improve the identification, investigation, and prosecution of cases involving vulnerable victims.

In recognition of her prosecutorial service and contributions to the community, Ms. Robbins was the 2024 recipient of the Leroy S. Zimmerman Outstanding Service as a Prosecutor Award.

Ms. Robbins has also served as an adjunct professor at the Harrisburg Area Community College Municipal Police Academy since 2022, where she contributes to the education and professional development of future law enforcement officers.

She earned her undergraduate degree from Duquesne University in 2012 and her Juris Doctor from Penn State University – Dickinson School of Law in 2015.

In her role with the Pennsylvania District Attorneys Association, Ms. Robbins draws upon her experience as a prosecutor, trial attorney, supervisor, educator, and creator of multidisciplinary criminal justice initiatives to advance effective public safety policy and support Pennsylvania’s district attorneys and their offices.

Maureen Flannery Spang, Esq.

Legal Resource Prosecutor
Email address: mspang@pdaa.org

Maureen Flannery Spang is the Legal Resource Prosecutor for the Pennsylvania District Attorneys Association.

Maureen has significant criminal justice experience, particularly in state and federal appellate courts. She attended the Catholic University of America, Columbus School of Law in Washington, D.C. and graduated magna cum laude in 2004. After law school, she had the privilege of serving for two years as law clerk for the Honorable William W. Caldwell in the Federal District Court for the Middle District of Pennsylvania. Following her clerkship, Maureen took a position as an Assistant District Attorney with the Office of the District Attorney in Bucks County, Pennsylvania. During her tenure at the office, she had primary responsibility for appellate work on capital cases. Maureen also worked on a full range of appellate cases in state and federal court, including brief writing, argument and Post-Conviction Relief Act hearings. In addition to appellate work, she also prosecuted a variety of felony and misdemeanor cases from pretrial to post-trial, served as the Right-to-Know appeals officer for various police departments, and kept staff and police departments apprised of changes to Pennsylvania criminal law. She remained with Bucks County until moving to Chambersburg in 2014. Since relocating, Maureen has continued to work for Bucks County drafting appellate briefs.

Maureen is a central Pennsylvania native. She currently serves on a number of local boards in an effort to make a positive local impact and give back to the Franklin County community. Maureen and her husband reside in Chambersburg with their daughter and son.

Nathan L. Boob, Esq.

Traffic Safety Resource Prosecutor
Email address: nboob@pdaa.org

Nate Boob is here to help you save lives. As the Traffic Safety Resource Prosecutor for the Pennsylvania District Attorney’s Office, he provides investigative and prosecutorial assistance, research, and education in traffic-related criminal matters. Nate brings to the office over 20 years of trial experience, handling the gambit of criminal prosecutions from summary offenses to homicides in over 25 counties across the Commonwealth.

Nate began his career in the Dauphin County District Attorney’s Office while attending the Dickinson School of Law of the Pennsylvania State University. After working in the drug prosecutions section both as a certified legal intern and as a Deputy District Attorney, he moved to the Centre County District Attorney’s Office where he prosecuted various cases including DUI, vehicular homicide, murder, all serious felonies, and high-profile cases from investigation through appeal. After 12 years, he returned to Cumberland County where he became Chief of Trials. Nate completed two appointments as a Special Prosecutor for the Pennsylvania Office of Attorney General, prosecuting a wide variety of crimes across the Commonwealth. He most recently served as a Chief Deputy District Attorney in Franklin County.

During his time as a prosecutor, Nate conducted a multitude of training for the Pennsylvania State Police, local police departments, and Pennsylvania State University. He is a career prosecutor, focused on helping you achieve justice.

Támara L. Heagy

Membership & Multimedia Management Coordinator
Email address: theagy@pdaa.org

Támara is the Membership & Multimedia Management Coordinator for PDAA and PDAI. Some of her many duties include; membership renewal, customer service, information distribution, course registration, document production, website management, graphic design and video production for many PDAA/PDAI publications. May 2026 will mark Támara’s 20^th year with the PDAA.

Támara has a Bachelor of Music Degree (emphasis in recording technology) from Lebanon Valley College and an Associate in Theater Arts Degree from Harrisburg Area Community College.

In her spare time Támara volunteers as a foster “purrent” for kittens in need and provides TNR (Trap Neuter and Release) services for the Lower Paxton Township Police Department.

Tina Fornstrom

Business Manager
Email address: tfornstrom@pdaa.org

Tina attended Harrisburg Area Community College and the University of Pittsburgh and received a degree in Communications and the Arts. She has a strong professional foundation in banking, accounting, and office management, and has been a Notary Public since 1996. As Business Manager of the Pennsylvania District Attorneys Association, some of her duties include grant administration, Accounts Payable, Accounts Receivable, and facility management.

Before joining PDAA in August 2022, Tina did administrative work and event planning for over eleven years at two Harrisburg-area non-profit organizations. She specialized in coordinating volunteers to assist with fundraising efforts and supervised annual golf outings for both organizations. She lives in Harrisburg with her husband.

Jennell Miller

Accounting Manager
Email address: jmiller@pdaa.org

Jennell currently serves as the Accounting Manager for the Pennsylvania District Attorneys Association and Institute, overseeing accounting and financial operations.

With a strong background in accounting and business, Jennell developed an early understanding of financial management by growing up with accountants and business owners. Being exposed to entrepreneurship and the day-to-day responsibilities of running a business helped shape her appreciation for financial accountability, organization, and sound business practices. Jennell holds an associate’s degree from Harrisburg Area Community College.

Outside of her professional career, Jennell resides in Harrisburg with her husband and daughter. She values family, community, and the opportunity to make a positive impact through both her professional and personal endeavors.