Our Team
Open Space Authority staff are passionate about conservation and driven to make an impact in the community through their work. Everyone brings a unique skillset to their role, and the creative collaboration of all staff maximizes talent to realize the agency’s mission. The staff is categorized into seven departments.
Executive Leadership Team

Andrea Mackenzie

Lea Rauscher

Marc Landgraf

Joelle Garretson
Management & Strategy Team
The Management & Strategy Team (MST) provides leadership and complex strategic planning to staff in support of the Open Space Authority’s mission and goals, overseeing all functions and activities of agency departments, programs, projects and initiatives. Reach the department at info@openspaceauthority.org.

Aaron Hébert

Derek Neumann

Elizabeth Loretto

Lucas Shellhammer

Megan Dreger

Nick Perry
Administrative Operations
The Administrative Operations Department (ADM) is responsible for the management and oversight of necessary operational services for the optimal functioning of the agency. The department takes a leadership role in achieving organization-wide operational efficiencies through cross-departmental collaboration and continuous improvement, ensuring stability and sustainability for the agency. Reach the department at info@openspaceauthority.org.

Elizabeth Loretto

Aline Harris

Caroline Hernandez

Ivy Rylander
Jigna Shah

Justina Tien

Vincent Tran
Communications and Media
The Communications and Media Department (COM) strategically develops the media channels that help connect people to nature, builds awareness about the Open Space Authority and informs the public about the agency’s accomplishments and the value nature brings to their lives. Reach the department at info@openspaceauthority.org.

Annamarie Pilon

Avery Cruz

Charlotte Graham
Conservation & Strategic Partnerships
The Conservation & Strategic Partnerships Department (CSP) leads conservation strategies to achieve the agency’s conservation and community investment goals. This includes conservation planning to protect key lands, engaging partners for coordinated strategies and participating in legislative and policy affairs. It also involves grant programs which provide funding to nonprofits, schools and public agencies throughout the agency’s jurisdiction. Reach the department at info@openspaceauthority.org.

Megan Dreger

Isabella Kressman

Jackie Latham

Lena Eyen

Linda Kwong

Monica Nañez
Field Operations
The Field Operations Department (FLD) oversees the daily operation, management and stewardship of Open Space Authority lands and public access facilities. Responsibilities include trail and preserve maintenance, resource management, site monitoring, habitat enhancement and reporting for contract land management. The Volunteer and Educational teams create and deliver nature- and science-based education experiences and coordinate volunteers to support field operations and agency-wide programs. Reach the department at info@openspaceauthority.org.

Derek Neumann

Abel Castillo

Amit Tartakovsky

Amrita Singh

Andres Campusano

Andy Burnside

Annie Ahmed

Antonio Sanchez

Casey Singleton

Cliff Irrebaria

Daniel Turner

David Tharp

Gavin Comstock

Greg Rosselli

Hanford Kwong

Jackson Large

Jessica Guenther

Kat Hill

Lucy Marquez

Megan Robinson

Mel Sarmento

Patrick Stevenson

Ron Valenzuela

Rowan O'Brien

Ryan Rosenbaum

Stephen Woodson

Teri Rogoway
Long-Range Planning
The Long-Range Planning Department leads the creation of plans and planning policies that serve as the guiding vision for use and stewardship of Open Space Authority lands. This includes master plans for open space preserves and other properties, long-term strategies and collaboration with regional partners on relevant projects. Reach the department at info@openspaceauthority.org.

Nick Perry

Jennifer Peth
Natural Resources
The Natural Resources Department (NRS) monitors, stewards and restores the natural resources and ecosystems that support healthy and resilient landscapes. NRS leverages nature as infrastructure to support ecosystems, address climate change and restore processes like groundwater recharge and flood control. Responsibilities include pest management, surveys, permitting, restoration and agricultural activities like conservation grazing and farming. The department partners with farmers, grazers, scientists, land managers and other experts to help deliver the agency’s mission.

Aaron Hébert

Anna Regalado

David Mauk

Rachel Clemons
Planning, Design and Construction
The Planning, Design and Construction (PDC) Department leads major projects to provide functional, safe and ecologically sensitive preserve facilities, supporting land stewardship and the agency mission. This includes maintaining the agency’s geographic information system (GIS) to manage lands and assets for capital planning and operations. Reach the department at info@openspaceauthority.org.

Lucas Shellhammer

Anna McGarrigle
Join our team!
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