June 2025 Leadership Breakfast
June 27, 2025 – 8:00 – 10:00 AM
Join the Catholic Business Network of Baltimore for CBNB’s annual Catholic Leadership Breakfast and the presentation of CBNB’s 2025 Catholic Business Leadership Award!

In 1986 at the age of 30, John and his wife, Geri, started Calvert Plumbing and Heating Co., Inc., currently doing business as Calvert Mechanical Solutions. Originally focused on plumbing only, the company has grown organically and expanded into the HVAC, systems controls and electrical markets. They currently employ 95 people and are based in Towson, MD. Notable projects include the renovations to the Basilica of the Assumption, the Mother Mary Lange Catholic School, and major projects at Notre Dame Prep, Notre Dame of Maryland University, Loyola University, Calvert Hall and Mt. DeSales Academy.
John has served as President of the Baltimore Chapter of Associated Builders and Contractors and served on the Baltimore County Plumbing Board since 1996, including Chair for the past 14 years. His volunteer work has involved serving on a variety of Boards including Notre Dame Prep, Notre Dame of Maryland University and Archbishop Curley. He has served on the Archdiocesan School Board for twelve years and is a 40-year-plus Trustee and Past President of the Marion I. and Henry J. Knott Foundation. John also serves on the Board of the O’Dwyer Retreat Center for 7 years and has been its Board Chair for 5 years. John has been married to Geri Dembeck for 46 years and they have three daughters and nine grandchildren.
WHEN:
Friday, June 27, 2025
8:00 am – 10:00 am
WHERE:
O’Dwyer Retreat House
15523 York Road
Sparks, MD
COST:
Members: $40
Non-Members: $60
Thank you to our Event Sponsors
Thank you to CBNB’s Premier Sponsors!







