Comprehensive strategies that align ambition, resources, and the needs of the communities you serve.
Strategy design · Initiative development · Impact frameworks
Social Impact Strategy & Story
Los Angeles · California
Strategy for change that endures.
We partner with mission-driven organizations and brands to co-create solutions for lasting, systemic change.
Discover our approach
Clear strategyCompelling storiesCollective actionLasting change
01Our approach
The challenges that matter most don’t fit neatly into boxes.
Neither do we. Crestline brings a holistic perspective shaped by more than a decade across nonprofit management, corporate social responsibility, philanthropy, and advocacy.
We listen closely, see the whole system, and build solutions alongside the people closest to the work—pairing rigorous thinking with beautiful, persuasive design.
02How we can help
From a complex brief to a clear way forward.
Tailored engagements meet you where you are—and move the work where it needs to go.
Compelling narratives that make your mission, impact, and vision meaningful to the people who matter.
Message strategy · Impact stories · Audience communicationsClear guidance through the grantmaking landscape—for funders maximizing investment and grantees strengthening proposals.
Portfolio strategy · Proposal development · Funder alignmentCollaborative plans that create shared direction, strengthen operations, and position your organization for long-term success.
Facilitation · Governance · Organizational sustainabilityCross-sector partnerships that align distinct strengths and resources around complex, shared challenges.
Coalition design · Stakeholder alignment · Partnership stewardshipInterim and transitional executive leadership that steadies the organization, keeps the work moving, and builds a strong foundation for the next leader.
Interim leadership · Transition management · Board partnership03Experience in action
Selected experience and engagements
Built on real-world leadership
Strategy grounded in the realities of funding, policy, partnership, and implementation.
in competitive public and philanthropic funding secured through LA n Sync.
COVID-era food security initiative managed at the California Community Foundation.
leading across foundations, nonprofits, public agencies, and purpose-driven brands.
Selected engagements
No Kid Hungryamazon primeInland Empire
Community FoundationUSC Good Neighbors
Community FoundationUSC Good Neighbors
Ellah RonenLos Angeles, CA
04Founder & Principal
A bridge-builder at the intersection of people, policy, and possibility.
Ellah Ronen is a seasoned nonprofit executive and cross-sector leader with over a decade of experience in foundation management, fundraising, and public-sector partnerships.
From helping secure more than $180 million for Los Angeles communities to building a foundation from the ground up, her work turns ambitious ideas into durable structures for change.
Board ChairCenter for Nonprofit Management, Southern California
EducationMBA, University of Illinois Urbana-Champaign
BA, UC Santa Barbara
BA, UC Santa Barbara
05Let’s work together
Have a challenge worth solving?