Wes Pitts


Wes Pitts, Pharm.D., BCPS, FASHP is the Assistant Director of Clinical Pharmacy Services at North Mississippi Medical Center in Tupelo, Mississippi.  He received his Pharm.D. from the University of Mississippi. Wes has extensive experience in implementing and improving clinical service protocols, managing performance and safety improvement initiatives for medication management, and improving technology integration into provider workflows. He serves on many committees and performance improvement teams at NMMC. Wes is Clinical Assistant Professor for the University of Mississippi and Union University Schools of Pharmacy and has precepted many students and pharmacy residents. Wes is a Past President for the Mississippi Society of Health-System Pharmacists (MSHP) and has served MSHP as Senior Delegate to the American Society of Health-System Pharmacists (ASHP) House of Delegates. Wes’ service to MPhA includes previous involvement with the Pharmacy Practice Act Task Force and Government Affairs Committee as Co-Chair and current Chair. Wes and his wife, Leslie, reside in Mantachie, MS along with their three daughters, Ella, Darby, and Georgia.

Peyton Herrington


Peyton Herrington graduated from The University of Mississippi in 2006 and currently works as a Clinical Pharmacy Specialist at UMMC. Peyton previously worked for two different retail chains, two hospitals, and has worked as a relief pharmacist at an independently owned pharmacy. Peyton has maintained membership in APhA since graduating and has been a member of MPhA since 2009. Peyton received MPhA's Distinguished Young Pharmacist award in 2013 and co-chaired the MPhA membership committee for two years before later joining the Executive Committee in 2017. Peyton and his wife, Sarah Denley, have three children and live in Flowood, MS. Peyton stays active in his community and within those organizations that he feels positively impact his community.

Ross Guastella


Ross Guastella has more than 25 years of pharmacy retail leadership experience. Ross is a Pharmacy Supervisor for CVS Health for Central Mississippi. Previously, Ross was a HealthCare Manager for Fred's Pharmacy in Central Mississippi -Delta. He also has 19 years of experience with Walgreens in leadership positions including Store Manager and District Manager, managing two districts. Ross began his pharmacy career working with his father in family-owned pharmacies in the Chicago land area. Ross comes from a family of pharmacists to include his father, sister, and wife. Ross has years of retail experience with both Independent and Chain pharmacy operations. Ross Guastella received his bachelor's degree in pharmacy from Butler University in Indianapolis, Indiana. He has practiced pharmacy in several states including Illinois, Indiana, Ohio, and Mississippi. Ross has severed as a member of the Chamber of Commerce, Kiwanis Club and Relay for Life. Ross currently serves as President of Belle Point Home Owners Association in Madison, MS and has served as a board member for Lake Caroline. Ross is an avid deer hunter, enjoys fishing and is a member of the NRA.

Tripp Dixon


Tripp Dixon, PharmD graduated from the University of Mississippi School of Pharmacy in 2004 and completed a PGY-1 residency at Huntsville Hospital in 2006.  He is currently a clinical pharmacy specialist in infectious disease and chairs the Antimicrobial Stewardship Committee at the Mississippi Baptist Medical Center in Jackson, MS.  Dr. Dixon is a Clinical Assistant Professor of Adult Medicine for the University of Mississippi School of Pharmacy and was awarded Preceptor of the Year for the Introductory Pharmacy Practice Experience in 2016.   He is a past-president of the Mississippi Society of Health-System Pharmacists (MSHP) and received the MSHP Service Award of Excellence for 2012 and Pharmacist of the Year in 2013.  Dr. Dixon has served as the Mississippi Pharmacists Association (MPhA) Education Chairman for the past 3 years and was named MPhA Member of the Year in 2016.  The Mississippi Business Journal selected him as a Healthcare Hero in 2014.  Dr. Dixon and his wife Kelly have four children and reside in Madison, MS.  They enjoy serving the community through the orphan care ministry in their local church and as a foster family in Madison County.    

Randy Calvert


Randy Calvert has owned and operated independent pharmacies for 20 years, worked for large chain pharmacies, and in 2016 opened a Sports Medicine Pharmacy. Randy has served as a preceptor for the University of Mississippi School of Pharmacy since 1982. He has also served on the State of MS Medicaid DUR Committee Board and worked with the Southern Baptist Disaster Relief Team and the Baptist Medical Dental Fellowship to establish a temporary pharmacy following Hurricane Katrina. He is well-known for his mission trips, where he takes medical and pharmacy students to Honduras and sets up medical clinics in the Andes Mountains of Peru. He is a Deacon and Missions Committee member at First Baptist Church in Jackson, where he holds an annual community flu clinic. 

Buddy Ogletree

Member At Large

Dr. Buddy Ogletree graduated from the University of Mississippi. Since 2001 he has been staff pharmacist for Walmart Pharmacy. Prior to 2017, he served as a coordinator for Drug Information and Investigational Drugs at the University of Mississippi Medical Center spending over 30 years at UMMC. He was also on the faculty of the University of Mississippi School of Pharmacy for over 20 years. He has given numerous presentations and has an extensive list of publications ranging from Supplements 101 to Glucocorticoid-induced Osteoporosis.

Olivia Strain

Member At Large

Olivia Strain, PharmD, is a Clinical Services Pharmacist and the PGY1 Community-based Pharmacy Residency Program Director for Walgreens in Jackson, Mississippi. She received her Doctor of Pharmacy degree from the University of Mississippi School of Pharmacy (UMSOP) in 2007. Originally from Madison, Mississippi, Olivia began working for Walgreens 15 years ago (2005) in Knoxville, Tennessee, as a pharmacy intern. Following graduation, she began her career with Walgreens in the Jackson, Mississippi area holding various roles such as a market pharmacist, pharmacy manager (for seven years), immunization and travel health lead and certified trainer, MTM lead, summer intern coordinator, and residency preceptor. Currently, Olivia encourages lifelong learning by serving as an APPE preceptor to Ole Miss and William Carey Pharmacy students, a residency preceptor with two community pharmacy residency
programs, and a part-time UMSOP Clinical Associate Professor. Olivia is actively involved with MPhA presently serving as the Education Committee Chair (two years), an Awards and Nominations committee member (three years), and a Mississippi delegate at the annual American Pharmacists Association (APhA) House of Delegates meeting (five years). Nationally, Olivia was elected as the 2020-21 APhA-APPM Medication Management SIG Coordinator-elect and serves on the APhA Immunization SIG Travel Health Committee, APhA Preceptor SIG Preceptor Toolkit Taskforce, and the APhA Medication Management SIG Payment Based on Quality Measures Project Committee. Olivia received the Walgreen’s national 2019 Excellence
in Residency Precepting award, an APhA-APPM Certificate of Recognition from the Immunizing Pharmacists SIG in 2017 and the Medication Management SIG in 2019 for her work done within these committees, and was formerly named Walgreens D244 Pharmacy Manager of the Year in 2014. Outside of pharmacy, Olivia is actively involved in coaching youth athletics and with her church, where she has served as a Central Mississippi Volleyball Head Coach for elementary-aged girls for two years, pre-K4 Sunday school teacher for two years, Senior High School Youth Leader for five years, and Mom2Mom Bible study co-leader for the past three years. Olivia resides in Madison with her husband of almost 13 years, Chandler, and their house full of girls. Olivia enjoys running, traveling, being outdoors, watching or playing sports, and spending
quality time with friends and family.

© 2023 by Mississippi Pharmacists Association  

PO Box 16861, Jackson MS 39236

Tel: 601-981-0416             info@mspharm.org

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