Leadership & Principal Investigators

Detailed profiles, board certifications, specialties, and downloadable CVs for each CMR physician and executive — the people sponsors and CROs work with directly.

Nusrat Deen

Nusrat Deen

President & Chief Executive Officer

Executive Leadership

ICH-GCP

With decades of executive leadership in clinical research management, Nusrat Deen guides CMR's organizational growth, sponsor partnerships, and multi-site operational strategy. Her oversight spans the full study lifecycle — from feasibility and site selection through activation, enrollment, and close-out — across both Hazel Crest and Orland Park facilities.

Leadership & Research Operations

  • •Site Operations & Organizational Management
  • •Sponsor Relationships & Study Acquisition
  • •Recruitment Oversight & Patient Engagement Strategy
  • •Regulatory Coordination & Document Preparation
  • •Budget & Contract Coordination Across Both Sites
Executive Leadership — All CMR Facilities
Suhail H. Khadra, MD, FACC, FSCAI

Suhail H. Khadra, MD, FACC, FSCAI

Medical Director, CMR – Hazel Crest · Principal Investigator

Cardiology & Interventional Cardiology

MDFACCFSCAIBoard Certified Internal MedicineBoard Certified Cardiovascular DiseaseBoard Certified Interventional Cardiology

Dr. Khadra previously served as Director of the Cardiac Catheterization Laboratory and Acting Chairman of Cardiology at Cook County Health. A Fellow of the American College of Cardiology and the Society for Cardiovascular Angiography and Interventions, he has served as Principal Investigator on 33+ Phase II–IV trials spanning heart failure, atrial fibrillation, hypertension, CKD, and obesity-related cardiac conditions.

Clinical Specialties

  • •Interventional Cardiology
  • •Heart Failure (HFrEF & HFpEF)
  • •Coronary Artery Disease & ACS
  • •Cardiac Catheterization
  • •Cardiovascular Clinical Research

Therapeutic Experience

  • •Cardiovascular Medicine
  • •Nephrology
  • •Endocrinology & Metabolism
Site Affiliation: Hazel Crest Facility
Download CV (PDF)
Tahir A. Abbasi, MD

Tahir A. Abbasi, MD

Medical Director, CMR – Orland Park · Principal Investigator

Internal Medicine, Cardiology & Clinical Research

MDBoard Certified Internal Medicine

Dr. Abbasi previously served as Director of Non-Invasive Cardiology at Oak Forest Hospital and holds attending cardiologist privileges at multiple Chicago-area hospitals, including Ingalls Memorial/University of Chicago. He has served as Principal Investigator on 17+ Phase II–IV trials spanning heart failure, hypertension, CKD, and diabetes.

Clinical Specialties

  • •Internal Medicine
  • •Non-Invasive Cardiology
  • •Echocardiography & Stress Testing
  • •Cardiac Catheterization
  • •Clinical Research

Therapeutic Experience

  • •Cardiovascular Medicine
  • •Nephrology
  • •Endocrinology & Metabolism
  • •Pain Management
  • •Orthopedics & Musculoskeletal Disorders
Site Affiliation: Orland Park Facility
Download CV (PDF)
Wahid Kassar, MD, FACE

Wahid Kassar, MD, FACE

Principal Investigator, CMR – Orland Park

Endocrinology, Diabetes & Metabolic Research

MDFACEBoard Certified EndocrinologyBoard Certified Internal Medicine

Dr. Kassar serves as Medical Director of the Diabetes Center at Silver Cross Hospital. A Fellow of the American Association of Clinical Endocrinology and past President of its Illinois Chapter, he brings documented experience as Principal Investigator on Phase II–IV diabetes, obesity, and cardiometabolic trials, with international CME faculty speaking engagements across diabetes and obesity management.

Clinical Specialties

  • •Endocrinology & Metabolism
  • •Diabetes & Obesity Management
  • •Thyroid & Hormone Disorders
  • •Metabolic Syndrome
  • •Clinical Research

Therapeutic Experience

  • •Endocrinology & Metabolism
  • •Nephrology
  • •Cardiovascular Medicine
Site Affiliation: Orland Park Facility
Download CV (PDF)
Eden D. Brandon, MD

Eden D. Brandon, MD

Principal Investigator, CMR – Hazel Crest

Internal Medicine & Clinical Research

MDBoard Certified Internal Medicine

A graduate of Northwestern University School of Medicine, Dr. Brandon also serves as an internist at Ingalls Memorial Hospital. She has served as Principal Investigator on Phase II–IV trials spanning heart failure, hypertension, CKD, diabetes, and obesity-related cardiac conditions.

Clinical Specialties

  • •Internal Medicine
  • •Cardiovascular Risk Management
  • •Clinical Trials
  • •Preventive Medicine

Therapeutic Experience

  • •Cardiovascular Medicine
  • •Nephrology
  • •Endocrinology & Metabolism
  • •Pain Management
  • •Orthopedics & Musculoskeletal Disorders
Site Affiliation: Hazel Crest Facility
Download CV (PDF)
Lauren Baffo, MSN, APRN, FNP-C

Lauren Baffo, MSN, APRN, FNP-C

Sub-Investigator, CMR – Hazel Crest

Sub-Investigator — Clinical Trial Support

MSNAPRNFNP-CBLS Certified

A board-certified Family Nurse Practitioner, Lauren Baffo supports Principal Investigators with participant evaluation, protocol-required assessments, ECGs, physical examinations, medication reconciliation, and study procedure support. She brings cardiology-focused clinical experience from Chandra Diagnostic Cardiology and high-acuity perioperative nursing from Loyola University Medical Center.

Clinical Specialties

  • •Advanced Practice Nursing (Family NP)
  • •Cardiology Clinical Assessment
  • •Participant Safety Evaluation
  • •ECG & Diagnostic Procedures
Site Affiliation: Hazel Crest Facility
Download CV (PDF)