Who We Are
Founded in 2017, Instellar is an impact consultancy based in Jakarta, Indonesia. We are a team of 20+ professionals with backgrounds spanning management consulting, impact investment, international development, and social entrepreneurship.
We work at the intersection of business strategy and social impact, helping organizations design, execute, and measure initiatives that create lasting change. Our clients range from global organizations and corporate foundations to local social enterprises and government agencies.
As a Certified B Corporation, we hold ourselves to the highest standards of social and environmental performance, transparency, and accountability.
CertifiedB Corporation
Alliance Member
What We Do
Three integrated pillars that work together to support the full lifecycle of impact-driven organizations.
Impact Consulting
Strategic advisory for corporations, investors, and CSOs. Our work includes ESG integration, portfolio management, fundraising assistance, and funding diversification strategies.
Learn moreProgram
Design and execution of impact programs — from acceleration and incubation to capacity building, CSR initiatives, and collaborative ecosystem events.
Learn moreInvestment
Impact investment advisory and deal sourcing — screening, due diligence, and pipeline building to connect mission-aligned capital with high-potential social enterprises.
Learn moreOur Values
The principles that guide every engagement and decision we make.
Entrepreneurial
We embrace challenges with resilience and resourcefulness while encouraging intrapreneurship within the team.
Impactful
We focus our work on creating meaningful impact by supporting social enterprises and organizations driving positive change.
Collaborative
We nurture a culture of learning and build lasting partnerships grounded in trust and mutual respect.
Self-aware
We reflect on ourselves, seek feedback, and recognize both strengths and shortcomings.
Fair
We involve the people affected by our decisions and value different perspectives before taking action.
Leadership
Our team brings decades of combined experience across consulting, investment, and international development.
Romy Cahyadi
CEO, Senior Social Entrepreneurship Advisor
20+ years in social entrepreneurship
Adisti Chandra
COO, Senior Impact Strategy Advisor
10+ years in consulting
Dewi Ayuningtyas
CFO, Senior Impact Finance Advisor
9+ years in accounting & finance
Stephany Hermawan
Managing Partner, Instellar Investment
Impact investment expert
Trusted By
We work with leading organizations across sectors committed to driving measurable impact.
Ready to create lasting impact together?
Whether you're looking to design impactful programs, strengthen your organization, or explore investment opportunities — let's talk.