Our Study Staff

Jeffrey Leflein, M.D. completed his pediatric internship and residency in pediatrics at the University of Medicine and Dentistry of New Jersey and Children’s Hospital, Newark, New Jersey. His fellowship in Pediatric Allergy and Immunology was completed at the National Jewish Center for Immunology and Respiratory Medicine, Denver, Colorado.

He is board certified in pediatrics, allergy and immunology. He has been in a hospital based private practice and staff allergist at Trinity Health Hospital in Ann Arbor, Michigan. Dr. Leflein is also on staff at Trinity Health-Chelsea, Corewell Health-William Beaumont, Corewell Health-Farmington Hills (formerly Botsford), Ascension Providence, and Corewell Health-Dearborn (formerly Oakwood) hospitals. He has been awarded Top Doc in Hour Magazine 2012, 2013, and 2014.

He is the principal investigator on numerous clinical trials at Respiratory Medicine Research Institute of Michigan since 1996, researching asthma, allergic rhinitis, and atopic dermatology. He continues to be actively involved in clinical research through his research center, Respiratory Medicine Research Institute of Michigan.

Diana Grigoryan, MA, CCRChas been a study coordinator at Respiratory Medicine Research Institute of Michigan since 2013 and has been certified since 2014.

Phone: 734-434-3007 ext 213

Email: dgrigoryan@annarborallergy.com

Jennifer Blanton, RN, BA, CRC has been a registered nurse since 2015 and been at Respiratory Medicine Research Institute of Michigan since 2016.

Phone: 734-528-0477

Email: jblanton@annarborallergy.com

Natalie Strauss, CRC has been a study coordinator at Respiratory Medicine Research Institute of Michigan since 2024.

Phone: 734-528-0477

Email: NatalieH@annarborallergy.com

Shannon LaPeer has been a study coordinator at Respiratory Medicine Research Institute of Michigan since 2025.

Phone: 734-528-0477

Email: ShannonL@annarborallergy.com