CHCWM Leadership

Our leadership team is committed to excellence and continuous improvement in cancer care. By working with our team of providers, we are supporting their efforts to provide patients the very best in treatment options and leading-edge technology.  The team focuses on:

  • Quality care
  • Access
  • Efficiency and service

We believe that by working together, we will improve cancer care in the communities we serve.

Physician Executive Team

Amy C. Vander Woude, MD

Sees patients at: Lemmen-Holton Cancer Pavilion Holland Center. Specialties: Breast Cancer, Education: Undergraduate: Duke University, Durham, North Carolina Medical School: Wake Forest University Medical Center, Winston-Salem, NC Residency in Internal Medicine: University of Michigan.

Brett T. Brinker, MD, MS

Sees patients at the following locations: Lemmen-Holton Cancer Pavilion Specialties: Malignant Hematology Education: Undergraduate:  Boston University, Boston, MA Medical School: Emory University School of Medicine, Atlanta, GA Master of Science in Clinical Investigation: Northwestern University, Read More

Mark G. Campbell, MD, MHA

Sees patients at the following locations: Lemmen-Holton Cancer Pavilion The Johnson Family Cancer Center (Muskegon) Specialties: – Prostate Cancer – GI Malignancies – Breast Cancer – Head and Neck Education: Undergraduate: Michigan State University, Lansing, Read More

Nehal Lakhani, MD, PhD

Sees patients at the following locations: START Midwest Medical Interest: – Clincial Trials, Cancer Research, Immuno-Oncology, Gastrointestinal Oncology, Melanoma Education: Medical School: Maharaja Sayajirao University-Baroda Medical College, India Graduate School: Ph.D. in Pharmaceutical Sciences (Pharmacokinetics): National Read More

Thomas E. Gribbin, MD

Sees patients at the following locations: Mercy Health Saint Mary’s Lacks Cancer Center Lemmen-Holton Cancer Pavilion Medical Interest: -Research Education: Undergraduate: St. John’s University, Collegeville, MN Northern Illinois University, DeKalb, IL Medical School:  University of Read More

Timothy J. O’Rourke, MD

Sees patients at the following location: Lemmen-Holton Cancer Pavilion START Midwest Medical Interest: Research Education: Undergraduate: Michigan State University, East Lansing, MI Medical School: University of Michigan, Ann Arbor, MI Residency in Internal Medicine: -Madigan Read More

Administrative Leadership Team

Cindy Powers

Director of Finance and Reimbursement

Dennis Zoet

Senior Director of Business Development and Operations

Jen Ergang

Director of Operations

Kimberly Melgarejo

Director of Pharmacy

Patricia Jereck

Director of Operations

Roy Brockie

Director of Human Resources

Stuart Genschaw

Executive Director

Wendy Koopman

Senior Director of Clinical Operations