About The Founder

Marcus Headshot.png

Marcus Howard, Ph.D. (he/him)

  • Founder | Marcus is the Founder of GreaterHealth Pharmacy & Wellness, a radically inclusive, culturally responsive pharmacy focused on providing quality patient-centered care to St. Louis residents. Marcus is a St. Louis native and Metro High School graduate. The flagship location of his pioneering pharmacy is located on the ground floor of the Delmar DivINe, and is committed to revolutionizing the way we approach, talk about, and treat healthcare in St. Louis. Marcus is working hard so that all residents, specifically those from historically marginalized backgrounds, achieve greater health and a greater quality of life.
  • Location: Delmar DivINe

Our Pharmacy Staff


Kenneth Powell, Pharm.D. (he/him)

  • Chief Pharmacy Officer | Dr. Powell is a licensed Missouri Pharmacist, originally from Memphis, TN. He has experience in long-term care, mail-order pharmacy, and compounding. In addition to his Doctorate of Pharmacy, he also has a degree in Food Science from the University of Tennessee, Knoxville. Dr. Powell is very invested in the health of his patients and seeks to collaborate with healthcare professionals to improve patient outcomes. In his down time, he enjoys fitness, traveling, and home improvement projects.
  • Location: Delmar DivINe
Screen Shot 2022-12-06 at 1.41.32 PM.png

Disha Brown, Pharm.D. (she/her)

  • PRN Pharmacist | Dr. Disha Brown is a clinical pharmacist with a background in retail, mail-order, and specialty clinical IV pharmacy. She is a certified TEFL teacher and has a passion for teaching and learning languages. Her hobbies are cooking, having family movie night, and exercising.
  • Location: Delmar DivINe
Mary Headshot.jpeg

Mary Wambui Ndung'u, (she/her)

Pharmacy Technician | Mary Ndungu is a trained pharmacist originally from Kenya who recently relocated to the United States after 4 years of experience as a retail pharmacist overseas. Mary is fluent in both English and Kiswahili and passionate about providing quality health services to all of her patients. "I love to see people get better" Location: Delmar DivINe

Brandon Cole.jpeg

Brandon Cole, Pharm.D. (he/him)

  • PRN Pharmacist |Dr. Brandon Cole is a licensed Missouri pharmacist
  • who was born and raised in the St. Louis area, and graduated with a Doctor of Pharmacy degree from the University of Missouri - Kansas City. Dr. Cole has experience in hospital pharmacy, pediatrics, compounding, drug development, and research. His heart’s focus is to educate and improve the welfare of his patients. Much of Brandon's spare time, outside the pharmacy, is spent working on his first novel.
  • Location: Delmar DivINe
Antoinette Travis.jpg

Antoinette Travis, Pharmacy Technician (she/her)

  • Delivery Driver/Pharmacy Technician | Antoinette Travis is a licensed Pharmacy Technician in the state of Missouri and received her Associates in Pharmacy from St. Louis College of Health Careers. She grew up in South City St. Louis and has over 10 years of experience in pharmacy. She brings an incredibly positive and infectious personality that makes patients feel special and goes beyond to meet the needs of patients furthest away from opportunity.
  • Location: Delmar DivINe

Dr. Jeffrey Posley

  • PRN Pharmacist | Dr. Jeffrey Posley is a licensed pharmacist in Missouri originally from the St. Louis metro area. He received his Doctor of Pharmacy degree from Xavier University of Louisiana. Dr. Posley has a passion for improving access to affordable medications and pharmacy services in underserved communities. Leveraging his clinical knowledge and customer service skills, he aims to make a positive impact on people’s lives by optimizing their drug therapy outcomes.
  • Location: Delmar DivINe
Sparkle Howard.jpg

Sparkle Howard, (she/her)

  • Manager, Pharmacy Operations | Sparkle Howard is a licensed pharmacy technician in the state of Missouri and received her associate's degree from Forest Park Community College in Applied Science. She is originally from St. Louis and has two decades of retail pharmacy experience. She uses her experience and deep knowledge of retail pharmacy to maximize operational excellence inside pharmacies.
  • Location: Delmar DivINe