Yellow and black bird

Our Staff


Lisa Alexander
Executive Director

Sherrice Ajebon
Deputy Director for Finance

Alison Pearce
Deputy Director for Programs

Amy Ritsko-Warren
Deputy Director for Administration


Lydia Lawrence
Director of Conservation

Renee Grebe
Northern Virginia (NOVA) Conservation Advocate

Denisse Guitarra
Maryland Conservation Advocate

Jamoni Overby
DC Conservation Advocate

Gregg Trilling
Conservation Outreach Manager

Environmental Education

Rose Brusaferro
Nature Preschool

Jeff Chandler
GreenKids Director

Brenna Houck
Acting Director of
Youth Programs

Genevieve Wall
Senior Naturalist

Debbie Borkowski
Preschool Assistant

Allie Chamot
Naturalist Ambassador

Brooke Derrenberger
Preschool Assistant

Caroline Dinh
P.O.W.E.R. Program Coordinator

Gina Ghertner
Lead GreenKids Educator

Lee Anne Graeub
GreenKids Seasonal Educator

Andrea McDougall
Nature Preschool Teacher

Melanie Oppenheimer
Nature Preschool Teacher

Nature Shop

Bjorn Busk
Property Manager

AJ Jimenez
Property Custodian

Beatriz Engel
Director of Woodend
Rental Events

Matt Mathias
Nature Shop Manager

Monica Botto, Nature Shop Assistant

Monica Botto
Nature Shop Assistant

Woodend Restoration

Bradley Simpson
Habitat Manager

Alice Sturm
Garden Programs Manager

Development and Membership

Corinna Fisk
Director of Development

Erin Mosley
Membership and
Annual Giving Manager

Lin Orrin
Grant Writer

Katrina Weinig
Grant Writer


Katrina Busk
Staff Accountant

Michelle Gregonis
Senior Accountant

Peihan Orestes
Volunteer Coordinator

General Information

Vince Grace
Database Manager

Jessica Kapoor
Administrative Assistant

Pam Oves
Office Manager

Marketing and Communications

Vince Robinson
Director of Marketing
and Communications

Kristin Cook
Database and Email Assistant

Lisa Goodnight
Audience Engagement Manager

Ben Israel
Staff Photographer and Videographer


Woodend (Chevy Chase, MD) Headquarters: 301-652-9188

Receptionist & General Information, 301-450-1377

Conservation, 301-450-1453

Development & Major Gifts, 301-652-1089

Membership & Annual Giving, 301-450-1471

Nature Forward Quarterly & Advertising, 301-450-1458

Nature Preschool, 301-652-8108

Nature Programs Registration, 301-652-1851

Nature Shop, 301-652-3606

Rentals, 301-450-1407

Summer Camp & School’s Out Camp, 301-652-8107

Volunteers, 301-450-1454