About Milk Bank WGL

As our region’s only nonprofit milk bank, Mothers’ Milk Bank of the Western Great Lakes (Milk Bank WGL) is proud to serve over 90 hospitals and thousands of families throughout Wisconsin and Illinois. We are registered as a 501(c)(3) non-profit and an accredited member of the Human Milk Banking Association of North America (HMBANA).

Who We Are

Ethical. Equitable. Passionate.

Milk Bank WGL’s ethical, sustainable model maximizes utilization of a natural resource while supporting breastfeeding promotion and duration. We are a passionate and mission-driven group, dedicated to providing our community with equitable access to donor milk and leading scientific research.

Our mission

Milk Bank WGL’s mission is to distribute donor human milk to premature and sick infants, support families who donate milk after loss, and increase access through education, research, and advocacy.

Our vision

Leading safe and innovative milk bank programming to save tiny lives and improve pediatric health.

Meet Our Team

Board of Directors

Summer Kelly, RN, MS, IBCLC
Summer Kelly, RN, MS, IBCLC

Executive Director

Marissa Grossenbach, BS
Marissa Grossenbach, BS

Board President

Anne Eglash, MD, IBCLC, FABM
Anne Eglash, MD, IBCLC, FABM

Medical Director

Krystal Revai, MD, MPH, FAAP, CHIE
Krystal Revai, MD, MPH, FAAP, CHIE

Board Vice President

Maura MacDonald, BSN, RN
Maura MacDonald, BSN, RN

Board Member

Jequeatta Upton Smith, MPH
Jequeatta Upton Smith, MPH

Board Secretary

Katherine Mowen, MAcc
Katherine Mowen, MAcc

Board Treasurer

Ann Conway, RN, MS, MA
Ann Conway, RN, MS, MA

Board Member

Kevin Hoey, RPh
Kevin Hoey, RPh

Board Member

Jeffrey Taylor, MBA
Jeffrey Taylor, MBA

Board Member

News & Recognition

  • USDA Proclaims National WIC Breastfeeding Week: Why Breast Milk (and Donor Milk) Still Matter Most
  • Four Women at a table getting their picture taken with a ring camera
    CWIP’s 2026 Making a Difference Annual Luncheon Celebrates Community Impact with Milk Bank WGL
  • Marissa Grossenbach a blonde caucasian woman in a dark suit coat and V neck shirt in front of a night sky mural with yellow stars in honor of bereavement babies
    Marissa Grossenbach of Mothers’ Milk Bank of the Western Great Lakes Named Director at Large on HMBANA Board of Directors
Contact Us

Have questions?

If you have any questions about Milk Bank WGL and our operations, please complete the form or reach out to us directly.

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