Meet our Team

Professional picture of Dr. Chad Brown

Chad Brown, DVM

Director, Veterinary Nursing Program

Dr. Chad Brown is the director of the Veterinary Nursing Program and a clinical associate professor in the Department of Veterinary Administration.

Dr. Brown was born and raised on a beef cattle farm in the Appalachian region of Huntington, WV. He attended Centre College and The Ohio State University for his undergraduate studies. He earned his Doctor of Veterinary Medicine from the Purdue University School of Veterinary Medicine in 2001. After graduation, he worked as an associate veterinarian at Animal Care Clinic in Huntington until 2007. In 2007, he established Brown Veterinary Service, a mixed animal hospital located in Wayne, WV.

Dr. Brown’s love of academia began in 2009 when he was offered an adjunct faculty instructor and staff veterinarian position in the equine studies program at Ohio University. He continued to divide his time between educating students and treating patients until a decision was made to fully embrace his true passion of education.

In August 2015, Dr. Brown sold his practice to accept a position as a full time faculty veterinary clinical supervisor and professor at Mountwest Community & Technical College’s Veterinary Technology program. Although he thoroughly enjoyed educating future WV registered veterinary technicians, he was very happy to return to Purdue in the fall of 2020.

Dr. Brown has two teenage daughters, Marin and Mckenna. He is joined by his wife Joy, two King Charles Cavaliers, and one gigantic European Basset Hound named Winston.  His interests include racquetball, golf, motorcycle riding, and watching his daughters play sports.

Feel free to reach out to him anytime if you have questions about the Veterinary Nursing program. He and his experienced team are here to help you!


Paige Allen, MS, RVT

Assistant Director for Academic Advising & Recruitment

Paige has worked at the Purdue College of Veterinary Medicine for over 30 years. She began her career in the Purdue University Large Animal Hospital where she had the good fortune of learning large animal anesthesia and surgical nursing skills from wonderful mentors. From this experience she found a love of anesthesia and blood gases. Questions about anesthesia? Just ask her!

She was Director of the Veterinary Teaching Hospital's Central Supply and Sterilization area for 3 years. In 1999, she was the first technician hired to help develop and teach in the veterinary technology distance learning program. Paige has taught many different classes in the distance learning and on-campus curriculum. Her most recent career change has been to the role of Academic Advisor.  Paige earned her AAS in Veterinary Technology in 1984 from National College in her home state of South Dakota. She earned her Bachelors in Business Administration from Indiana Wesleyan in 1996 and her Masters in Educational Technology from Purdue in 2005.

She is passionate about veterinary nursing and the future of the profession. She was actively involved in developing and implementing the National FFA Veterinary Science Career Development Event. She also is the second veterinary technician to serve on the North American Veterinary Community (NAVC) Board of Directors. She is the current President with her term running from January 2020-January 2022.  This organization holds a conference (VMX) in Orlando Florida each winter and truly supports the profession.

Paige and her husband live in the country and in their spare time, they farm 40+ acres of land. The share their home with two cats. They love to travel the world to explore and learn about new cultures. Their most current adventure is the acquisition of a camper (really a glamper) to begin exploring the United States.

Angela Arellano - VN Administrative Assistant

Angela Arellano, BS

Administrative Assistant

Angela grew up in rural southern Illinois and graduated from Southern Illinois University with a Bachelor of Science in Education.  After graduation, she relocated to California, married her husband, Javier, and worked in the financial industry until 2007 when she took time away from work to raise her family. 

In 2008, she relocated back to the Midwest to be closer to family, and then in 2017 she joined Purdue’s Office of International Admissions.  She then worked in admissions at Ivy Tech Community College from 2019 to 2021, and joined the Veterinary Nursing Program in May, 2021. 

Angela loves spending time with her husband Javier, and their three sons, Noah, Thomas, and Valerio.  She is a lifelong learner who enjoys helping her sons explore their interests of meteorology, chemistry, reading, and chess.  She also enjoys reading, writing, gardening, and traveling from coast to coast to visit family in California, North Carolina, and Illinois.   

Josh Clark, MS, RVT

Josh Clark, MS, RVT

Distance Learning Instructional Technologist and VNDL Program Manager

Josh began teaching courses in Purdue's Veterinary Nursing Distance Learning (VNDL) program in 2001. While originally hired to teach VNDL courses, over the years he has become involved with teaching courses in the on-campus Veterinary Nursing program as well. Beginning in the fall of 2019, Josh began to be more involved in managing the day to day operations of the VNDL program.  In his role managing the program, some of the things Josh is involved with are marketing efforts for the program, keeping the VNDL website up to date, tracking program data, and helping to facilitate other program changes (e.g., switching from paper mentorship forms to electronic DocuSign forms).

Josh earned his Associate in Applied Science degree in Veterinary Technology from Kirkwood Community College in Cedar Rapids, Iowa and earned his Bachelor of Science degree in Veterinary Technology from Purdue University. In 2005, Josh also earned a Master of Science degree in Education from Purdue University. Josh served a six-year term on the AVMA's Committee for Veterinary Technology Education and Activities (CVTEA) – the committee responsible for accrediting veterinary technology programs in the United States – from 2005-2011. In 2011 Josh was named the National Association of Veterinary Technicians in America's (NAVTA) Veterinary Technician of the Year. In his spare time, Josh enjoys reading, listening to music and cooking (mostly grilling or smoking meat). 

An image of Rachel Kelly

Rachel Kelly, MS

Academic Advisor

Rachel has a BA in Creative Writing from Purdue University and a MS in Academic Advising from Kansas State University. She has worked previously with Purdue University Libraries (clerical), Purdue Liberal Arts Academic and Career Advising (clerical), and Purdue Polytechnic Institute (Academic Advising). Also, she has experience as a Career Coach for Ivy Tech Community College. Rachel joined the Veterinary Nursing team as an Academic Advisor in June 2021 and is excited about helping students reach their dream of becoming a Veterinary Nurse.

In Rachel’s free time, she enjoys kayaking, floating, reading, dancing, twirling, listening to and playing music, and watching science fiction and fantasy movies. She has one (beagle/dachshund/terrier mix) fur baby named Izzy (after Isadora Duncan).


Holly McCalip, BS, RVT, 

Instructional Technologist

Holly graduated from Purdue University in 2001 with a Bachelor of Science in Veterinary Technology.  Since graduation, she has worked in emergency and critical care and was a surgical supervisor for a referral hospital.  She came back to Purdue in 2019 to pursue her passion for teaching and mentoring the future of veterinary nursing.  As the on-campus lab coordinator, her job is to oversee the laboratory classes and instruction of hands-on technical skills.  Returning to her alma mater is a dream come true and Holly looks forward to becoming more active in the education process and the veterinary community as a whole.  Holly serves on the board of directors of the Purdue Veterinary Alumni Association and is a member of the IVTA and NAVTA.  Her special interests are clinical pathology and internal medicine (Chemotherapy), but it is hard to find an aspect of veterinary medicine that she doesn't enjoy.

When Holly is not trying to balance her family's hectic schedule, she loves to do mini-marathons and 5ks.  She plays tennis and is an avid sports fan, especially Purdue athletics.  Holly remains a resident of Indianapolis and does not mind the communte to campus.  Pictured with Holly is her cat, Nimbus, who is currently their only four-legged family member.

Daniel Mikkelsen

Daniel Mikkelsen, MA

Academic Advisor

Daniel graduated from Purdue with a Masters in Interpersonal Communication. He joined the Veterinary Nursing team as an Academic Advisor after spending several years as a public speaking instructor at Purdue and Utah State University. He is passionate about student success and actively strives to be a student advocate.

Daniel and his wife love to travel and are on the road with their daughter, Aria, and their pup, Trixie, whenever they can be. They love how close West Lafayette is to Chicago so they feed their passion for Broadway. Daniel also enjoys singing, reading, and spending as much time as he can with his baby and fur baby.

Mary Beth OLeary

Mary-Beth O'Leary, DVM, MPH, MEd, MS

Lecturer, Veterinary Nursing Program

Dr. Mary-Beth O’Leary joined Purdue as a Lecturer in the Veterinary Nursing Program in 2021. In addition to teaching, Dr. O’Leary’s focus includes the assessment and update of courses within the program.

Dr. O’Leary was born in Massachusetts and has spent most of her life living there. She earned a Bachelor of Science in Biology from Worcester State University in Worcester, Massachusetts, a Master of Science in Animal Industries with a concentration in Equine Reproduction from the University of Connecticut in Storrs, Connecticut, a Master of Public Health with a concentration in Epidemiology and Biostatistics from the University of Massachusetts in Amherst, Massachusetts, a Master of Education from Anna Maria College in Paxton, Massachusetts, and a Doctorate in Veterinary Medicine from Auburn University in Auburn, Alabama.

She worked for a short time as a Veterinary Medical Officer for the Food Protection Program in the state of Massachusetts before accepting a position as Director of the State Veterinary Diagnostic Laboratory and Assistant Professor of Veterinary Sciences located at the University of Massachusetts. She later taught at Anna Maria College in the Department of Health and Environmental Sciences before returning to small animal private practice in Massachusetts where she has worked for the past 10 years. Her interest in alternative therapeutic modalities inspired her to pursue certification as a canine rehabilitation practitioner (CCRP) through the University of Tennessee.

Dr. O’Leary is a member of the American Veterinary Medical Association and the Massachusetts Veterinary Medical Association. She was inducted into he Society of Phi Zeta, the honor society of Veterinary Medicine in 1994.

Dr. O’Leary enjoys spending time with her husband Brian and their two daughters, Bridget and Tessa, traveling together whenever possible. She especially looks forward to attending her daughter’s plays, dance performances, and fencing competitions. Her favorite activities include biking, hiking, kayaking, gardening, and bird watching. Additional members of the family include two senior Shetland Sheepdogs (Candy and Max) and three cats (Gatito, Harry, and Nellie).

Shelly Opperman

Shelly Opperman

Academic Advisor and Recruiter

Shelly graduated from Purdue with a Bachelor of Science from the College of Technology (now Polytechnic Institute).  Shelly has worked at Purdue for over 15 years; her career navigated from fundraising to alumni relations, to student services, where she has worked for over 11 years. 

Shelly is married to Eddie, a CPA in Lafayette.  They have two children – Jackson, who is in the U.S. Army and Maggie, a high schooler with aspirations of attending Purdue.  They live close to downtown and enjoy walking to restaurants and being walked by their labradoodle, Whiskey.  They enjoy camping and hiking with friends.

Ashli Selke, CVT

Ashli Selke, RVT, CVT, NAVTA 2021 President - Elect

Clinical Lab Coordinator/ Distance Learning Instructional Technologist

Ashli’s expertise lies in her adaptability to change. She served in the United States Navy (2006-2010), so she had to take on many roles and navigate moving multiple times and living in various locations. Once she left the military, she attended Harrison College School of Veterinary Technology in Indianapolis, IN to pursue her veterinary medicine goals. After graduation in 2013, she married her husband, Jon, who was on active duty with the Army. With Jon’s military commitment, she once again found herself moving and finding new ways to grow in Vet Med every few years.

In 2016 after her husband’s retirement, she chose to reside in Arkansas to be close to her family and her home state of Texas. There she was able to start to pursue her interest in veterinary leadership. She began with a role on the Executive Board of the Arkansas Veterinary Technician Association as the Director of Marketing. She achieved goals within the organization that significantly improved their accessibility to help veterinary technicians within the state. She became the NAVTA State Representative and then held her first position within NAVTA in 2018 as the District 8 Representative for TX, LA, and AR, helping connect their voices to NAVTA and vice versa. In 2018 Ashli was named the AVTA Veterinary Technician of the Year. She has continued her development within NAVTA to be elected to the position of President- Elect of the organization for 2021.

Ashli serves on many committees on the state and national levels and has held many different roles as a credentialed veterinary technician. She has worked as a supervisor for a specialty surgery practice, as a Veterinary Technology Instructor, large/ small / exotic practice management, and as a Volunteer for several organizations including animal care at the Indianapolis Zoo, just to name a few. But Ashli has found a passion for mentoring other veterinary technicians. She volunteers many hours, ensuring her peers and upcoming veterinary technicians/nurses know all of the value that their title holds and the wonderful things they can do with their education. She serves on the Veterinary Nurse Initiative advocacy committee as well as being a contributor to the Veterinary Nurse Initiative social media to move toward creating a national standard credential, Title protection, scope of Practice, Reciprocity, proper utilization. To learn more about the VNI efforts visit

As of January 2021, Ashli is one of the Clinical Lab Coordinator and Instructional Technologist for the Purdue Veterinary Nursing Distance Learning Program.

Ashli loves spending her downtime with her husband and two small girls, enjoying any kind of activity they can do in the water: swimming, boating, paddle boarding, kayaking. She has also been a volunteer Firefighter for the last 2 years.The Selke’s round out their family with their beloved cat “Kitty Purry” and Great Dane “Johnny Cash.”

Pam Phegley, BS, RVT

Pam Phegley, BS, RVT

Clinical Rotation Coordinator, Distance Learning Instructional Technologist

Pam Phegley is a 1983 AAS graduate and a 2001 BS graduate from Purdue's Veterinary Technology program. From 1984 to 2002, she was the Chief Small Animal Medicine Technologist in Purdue's Veterinary Teaching Hospital, instructing both DVM and veterinary technology students in the classroom, lab and clinic. In 2002, she joined the Veterinary Technology program administration as the Clinical Coordinator for the on-campus and distance learning programs. Pam is responsible for student rotations in the Purdue University Veterinary Hospital for on-campus students, and does some classroom and lab instruction as well. She coordinates the clinical mentorship aspect of the distance learning program as well as various on-campus workshops for DL students.

Jennifer Smith, BS, RVT, RLAT

Jennifer Smith, BS, RVT, RLAT

Instructional Technologist

Jennifer Smith graduated from Purdue University in 2004 with a Bachelor of Science in Veterinary Technology. Upon graduation, she worked as a veterinary technologist in small animal private practice. In 2009, she returned to Purdue to work as a research versa technologist for the Clinical Discovery Laboratory.

Jennifer joined the Veterinary Technology Program in 2014 as an instructional technologist. She is a member of the Association of Veterinary Technician Educators (AVTE) and the American Association of Laboratory Animal Sciences (AALAS).

Courtney Waxman, BAS, CVT, RVT, VTS (ECC)

Courtney Waxman, MS, CVT, RVT, VTS (ECC)

Distance Learning Instructional Technologist

Courtney is originally from Arizona and joined Purdue’s Veterinary Nursing Program in 2018. She graduated from Mesa Community College in 2008 with an Associate in Applied Science in Veterinary Technology, Arizona State University in 2010 with a Bachelor’s in Applied Science in Operations Management, and Purdue University Global in 2020 with a Master of Science in Higher Education. Over the past 15 years, she has worked in private emergency/specialty practice, and earned her Veterinary Technician Specialty (VTS) certification in Emergency and Critical Care (ECC) in 2017. Her clinical special interests include mechanical ventilation, one-on-one case management, CPR, critical care nursing, critical thinking, and technician training.

In addition to instruction, Courtney remains active within the veterinary community. She currently serves on the NAVTA Executive Board as Member-at-Large, on the AVECCTN Executive Board as Member-at-Large, on the Indiana Veterinary Technician Association (IVTA) Executive Board as Past-President, on the advisory team for the VNI, and on RECOVER task forces. She also lectures nationally and internationally on ECC topics and has been published in several veterinary technician/nursing journals. Courtney is a member of the Association of Veterinary Technician Educators (AVTE) and was awarded New Educator of the Year in 2019.

In her spare time, she enjoys world travel with her husband, reading, fitness, and spoiling her fur kid Ollie.

For questions about admission requirements and procedures, please contact: 

Office of Admissions
Schleman Hall of Student Services
475 Stadium Mall Drive
West Lafayette, IN 47907-0544
Phone: 765-494-1776 

Purdue University College of Veterinary Medicine, 625 Harrison Street, West Lafayette, IN 47907, (765) 494-7607

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