People

Rebecca Lendl

Rebecca Lendl

Executive Director

Rebecca is a senior executive and social impact leader with over two decades of experience designing, scaling, and guiding complex organizations at the intersection of technology, arts, and culture. Her work with visionary leaders and philanthropists centers on organizational development, capacity building, and cultivating deep, values-aligned partnerships to drive enduring impact amidst transformational change.

Most recently, as Executive Director of The Long Now Foundation — home to the mythic 10,000-Year Clock — Rebecca led a critical founding generational transition. She modernized the institutional design and expanded programs by reimagining The Interval at Long Now — the award-winning bar, café, exhibit space, and event venue in San Francisco — and producing a new chapter of the Bay Area’s beloved Long Now Talks public lecture series. Under her leadership, Long Now launched the Pace Layers annual print journal, established the Long Now Labs incubator, commissioned an arboreal clock atop a mountain, and inaugurated The Council at Long Now, an advisory body of ambassadors for long-term thinking and responsibility.

Previously, Rebecca served on the founding team as Chief Operating Officer at the Center for Humane Technology, the organization behind the Emmy-winning Netflix documentary The Social Dilemma. There, she built the operational foundation and helped scale the organization from early-stage inception to an established platform with global reach, building the team and stewarding a systems-change strategy to support leaders, policymakers, and civil society around humane technology design.

Earlier in her career, Rebecca led philanthropic and strategic partnerships for premier cultural institutions in New York and the Bay Area. Her work ranges from championing the open web at Creative Commons and strengthening the residency program for contemporary artists at Headlands Center for the Arts to helping realize large-scale public art commissions with Creative Time and MoMA PS1 — collaborating with globally renowned artists and partners to transform urban skylines, museum facades, vacant buildings, and the billboards of Times Square into canvases for collective imagination.

As a cultural translator between social impact, philanthropy, and technology, Rebecca focuses on directing capital and strategic energy toward long-term good — unlocking individual and collective flow to create long-term resilience. Based in Marin in the San Francisco Bay Area, she lives with her husband and two children — an everyday experiment in care, continuity, and the long view.

Learn more about Rebecca's leadership tenure at Long Now in How Institutions Learn

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