Meet our Medical Advisory

Bloom & Blossom relies on its medical advisory of leading healthcare professionals, pediatricians, gastroenterologists, and nutritional experts in the fields of science and medicine.

Jenifer R. Lightdale, MD, MPH Joel Rosh, MD Lisa Thornton, MD Frank Greer, MD

Dr. Thornton talks about Ultra Gentle Formula

Bloom & Blossom Formula Medical Advisory

Jenifer R. Lightdale, MD, MPH

Doctor Jenifer Lightdale

Dr. Jenifer Lightdale's specialty is pediatric gastroenterology. After completing medical school at Mount Sinai School of Medicine, Dr. Lightdale performed her residency at a hospital affiliated with the University of California, San Francisco (UCSF). Her hospital/clinic affiliations include Boston Children's Hospital, UMass Memorial Medical Center, and Children's Hospital Boston.

  • Attending Physician Director, Patient Safety and Quality, Division of GI/Nutrition
  • Assistant Professor of Pediatrics
  • Division Chief, Pediatric Gastroenterology and Nutrition; Chief Quality Officer, Children's Medical Center, UMass Memorial Medical Center
  • Professor of Pediatrics, University of Massachusetts Medical School

Joel R. Rosh, MD, FAAP, FACG, AGAF

Doctor Joel Rosh

Dr. Rosh graduated with honors from Brown University and received his medical degree from Albert Einstein College of Medicine in Bronx, New York. He completed his internship and residency at the Children’s Hospital of New York – Columbia Presbyterian Medical Center and his fellowship in Pediatric Gastroenterology at Mt. Sinai Hospital, also in New York City.

Among other professional associations, Dr. Rosh is a Fellow of the American Academy of Pediatrics, the American Gastroenterological Association, and the American College of Gastroenterology. He has served on numerous national committees and as an advisor to the FDA. Dr. Rosh has been a National Councilor for the North American Society of Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN), and serves on the editorial boards of the Journal of Pediatric Gastroenterology and Nutrition, and the Journal of Clinical Gastroenterology. His current research is primarily focused on the safety and optimal use of therapeutic agents for pediatric inflammatory bowel disease.

Lisa Thornton, MD

Doctor Lisa Thornton

Dr. Lisa Thornton is a mom and a pediatrician who specializes in the care of children with disabilities. She is passionate about providing reliable health information for families and believes that childhood is the best time to develop good habits for the body and mind. Dr. Lisa has practiced medicine in a busy clinical setting for more than 15 years, has lectured widely, and provides health commentary for network morning shows and various other media outlets. Her friendly, engaging, straightforward style makes health information accessible whether she's talking to a private patient or a network audience. Aside from raising her own children, Dr. Thornton's next greatest passion is partnering with parents to help them guide their children to the best life possible.

She is the founder and director of C.A.M.P. Schwab (Children with Adapted Mobility Play), whose mission is to encourage athletic participation among children with disabilities. She has lectured at academic institutions (Fisk University, Northwestern University, Tulane University, University of Chicago), corporations (Boeing, Kraft Foods, National Association for Black Journalists, Safeway, The Leeza Gibbons Memory Foundation),and for the Michigan Legislature. She has led audiences to a greater understanding of a variety of topics including childhood obesity, childhood disability, injury prevention, and overall health and wellness.

Dr. Thornton is a graduate of the University of Michigan Medical School and completed her residency at Children's Memorial Hospital Northwestern University.

See Dr. Thornton's video on Ultra Gentle Formula

Frank Greer, MD

Doctor Frank Greer

Dr. Frank Greer is a neonatologist in Madison, Wisconsin and is affiliated with multiple hospitals in the area, including Meriter Hospital and University of Wisconsin Hospital and Clinics. He received his medical degree from Perelman School of Medicine at the University of Pennsylvania and has been in practice for 42 years. He is one of 9 doctors at Meriter Hospital and one of 6 at University of Wisconsin Hospital and Clinics who specialize in Neonatal-Perinatal Medicine.

Education & Medical Training

  • University Hospital/University of Cincinnati College of Medicine
    Residency, Pediatrics, 1972–1974
  • Cincinnati Children's Hospital Medical Center
    Residency, Pediatrics, 1974–1975
  • Cincinnati Children's Hospital Medical Center
    Fellowship, Neonatal-Perinatal Medicine, 1978–1980
  • Perelman School of Medicine at the University of Pennsylvania
    Class of 1972

Certifications & Licensure

  • American Board of Pediatrics
    Certified in Pediatrics
  • American Board of Pediatrics
    Certified in Neonatal-Perinatal Medicine
  • WI State Medical License
    Active through 2015