Meet our Staff

At Gabriel House of Care, our walls provide shelter, but our staff provides the heartbeat. We are here to walk alongside you every step of the way.

Leadership Team

A woman with long dark hair wearing earrings, standing outdoors on a sunny day with green grass and bushes in the background.

Valerie Callahan
Executive Director vcallahan@gabrielhoc.org

A smiling bald man in a light blue button-up shirt, sitting in front of window blinds.

Sean Nesselt
Chief Financial Officer snesselt@gabrielhoc.org

A smiling man wearing a light purple dress shirt indoors with a ceiling and a computer monitor in the background.

Rufus Cummings
Operations & Guest Services Manager 
rcummings@gabrielhoc.org

An older woman with short gray hair, black glasses, and hoop earrings, wearing a colorful floral top, standing in front of a bookshelf filled with books.

Judy McKinney
In-Resident Coordinator jmckinney@gabrielhoc.org

A middle-aged woman with short brown hair and bangs, smiling, wearing a gray sweater and small hoop earrings, standing against a plain beige wall.

Lori Leslie
Volunteer Coordinator lleslie@gabrielhoc.org

A woman with reddish-brown hair styled in twists, wearing a blue shirt, smiling and resting her chin on her hand.

Lorna Doldron
Housekeeping

A woman with glasses, hoop earrings, and a bun hairstyle standing indoors near a window with trees outside.

Tamika Caine
Guest Services Coordinator

A smiling woman with long gray hair sitting indoors against a yellow wall.

Elsa Montgomery
Guest Services Coordinator

A woman with short purple hair smiling outdoors, with an American flag in the background.

Marie Adams
Weekend Guest Services

A smiling woman with long black hair standing outdoors on a sunny day.

Adrienne West
Weekend Guest Services Coordinator

Board of Directors

Phyllis Baldwin
Human Resource Executive, Retired

Chairman

Charles  "Chick" Armstrong
Hotelier Executive, Retired

Co-Vice Chairs

Michelle Klimt
Retired FBI Special Agent in Charge

Erin Scott
VP Commercial Relationship Officer
First Horizon Bank

Secretary

Michelle Franklin
Senior Finance Director, Availity

Treasurer

Members at Large

Justin Drach
Partner,
Thoele Drach Law

David Vandroff
Insurance Advisor,
Brown & Brown

Andrea Sharp, MD
Emergency & Palliative,
Mayo Clinic

Amy Swartz
Sr. Principal Facilitator Sales,
Oracle OSPA

Byron May, MD
Radiation Oncologist,
Mayo Clinic 

Brianna Rivas
Nurse Practitioner, 
Cardiac Vision, LLC

Valerie Callahan
Executive Director,
Gabriel House of Care

Andrea (Andi) Williams
Sr. Corporate Social Responsibility Integrator, Florida Blue

Martin Mai, MD
Nephrologist, Internist
Mayo Clinic

Mark Miles
Construction & Property Mgt.,
Mayo Clinic 

Dean Rottinghaus
Chief Clinical Officer, QurHealth