Our Story

Established in 2016 by experienced impact investment pioneers, Asad Mahmood, and Michael Rauenhorst, SIMA Funds is an innovative, new-generation SEC-registered investment and advisory firm. With a combined experience of over two decades in impactful investing, our principals have successfully directed over $2 billion towards 250+ social enterprises spanning across 50 countries.

At SIMA, our core focus is on promoting impact investments that align with financial, social, and environmental objectives. We collaborate with individual, institutional, philanthropic, and public sector investors to develop market-based opportunities that balance risk and reward. Our primary mission is to generate positive economic, social, and environmental impact by investing in well-designed funds that uplift the lives of our ultimate customers at the Bottom of the Pyramid (BOP). Our key sectors of focus include solar energy, financial inclusion, and affordable housing in some of the world’s poorest countries.

As a field builder and double-bottom-line firm, SIMA operates across three core areas: asset management, advisory services, and the establishment of social businesses.

Asset Management

We are dedicated to driving transformation through our innovative fund management approach. Our fund management portfolio includes:

Off-Grid Solar and Financial Access Fund

Emerging Distributor Finance Fund (EDFF)

Energy Access Relief
Fund (EARF)

Commercial and Industrial Solar Green Bond (Upcoming)

A fund purposefully designed to support the creation and expansion of a new wave of Small and Medium Enterprises (SMEs) operating in the commercial and industrial (C&I) solar sector.

First Pakistan Flood Relief Microfinance Fund (Upcoming)

A collaborative fund aimed to channel resources and support towards communities affected by floods, combining capital market expertise and microfinance institutions.

Advisory Services

We bring extensive expertise in impact investing, with a deep understanding of the social, environmental, and financial aspects of impactful investments. Our team has a proven track record of successful advisory engagements, working with leading organizations in the field.

Social Businesses

SIMA has demonstrated its commitment to advancing impact investing through the establishment of new social businesses like:

Asaan Ghar Finance

A fintech affordable mortgage company in Pakistan that empowers lower-middle and middle-class citizens to fulfill their dreams of home ownership

SIMA Impact Foundation

A 501(c)(3) public US charity and the philanthropic endeavor of SIMA Funds LLC, dedicated to uplift marginalized populations and build a more equitable future

Sow Good Investments

A first-of-a-kind internet-based crowdfunding platform in the US that offers impact investment opportunities at the retail level, enabling individuals to contribute to a better world while potentially building wealth for themselves.
SIMA Funds maintains a strong local presence, with over 95% of their staff located in Sub-Saharan Africa and South Asia, ensuring deep engagement and understanding of the regions they operate in. Through strategic investments and partnerships, SIMA aims to foster sustainable development, empower communities, and address key social and environmental challenges in emerging markets.

Our Mission

To improve the lives of our ultimate customers at the Bottom of the Pyramid by providing demand-driven commercial capital and appropriate advisory solutions to create and scale profitable businesses with exemplary financial, social, and environmental impact.

Our Vision

To make social investments an accepted asset class for commercial investors, thereby unleashing appropriate capital to grow profitable, responsible businesses that improve the lives of our ultimate low-income customers.

Culture & Values

At SIMA Funds, our culture is one of our most valued assets. Our unique identity is built upon the pillars of transparency and inclusiveness, setting us apart as a pioneering example of a new generation of companies.

Our culture is characterized by five core values that guide our actions and decisions:


At SIMA Funds, transparency is the bedrock of our culture. We believe in openness and honesty with our employees, investors, and investees, fostering trust and accountability in our relationships.


Logic is the driving force behind our decision-making process and operational strategy. We rely on rational thinking, data-driven insights, and critical analysis, ensuring strategic choices that benefit all.


We strive to treat all individuals, both within our organization and beyond, with respect and consideration. Fairness is the guiding principle that shapes our relationships with our stakeholders, fostering diversity, inclusion, and equal opportunities for all.


Teamwork is ingrained in our culture, fostering collaboration and synergy as we work together towards a common goal – creating positive social and environmental change.

Innovative Entrepreneurship

Innovation is the catalyst for change, and entrepreneurship is the vehicle that drives us forward. We encourage creativity, celebrate new ideas, and embrace calculated risks to pioneer groundbreaking solutions for a more sustainable and equitable future.

Leadership Team


Asad Mahmood

CEO & Managing Partner


Michael Rauenhorst

Managing Partner

Arivazhagan G Dz

Arivazhagan G D


Suhail Darwesh

Suhail Darwesh

CEO & Managing Partner

Vinay Bandaru

Vinay Bandaru

Senior Vice President

Impact Stories

Lighting the Path to Empowerment: The Impactful Collaboration of EARF and Regain37 in Zimbabwe


Energizing Impact: Lanforce Energy and SIMA Funds Transforming Underserved Communities


Introducing Powerlive Zimbabwe: Empowering Communities with Clean Energy


Sun King’s Solar Empowerment: Impactful Collaboration with SIMA Funds

Sun King’s

E-Waste Recycling Empowering Communities: Hinckley’s Sustainable Impact with EARF Support


Uplifting Communities Through Sustainable Energy Solutions - RDG Collective and the EDFF


Energy Revolution: Mobile Power and EARF's Impact in Sub- Saharan Africa Through Solar-Powered MOPO Hubs

Mobile Power

Catalyzing Radiant Change: Ignite Power's Solar Solutions Brighten Sub-Saharan Africa


Otago's Sustainable Transformation: Empowering Through Biomass Energy Solutions






Press Releases

Celebrating Seven Years of Impact: SIMA Funds’ Remarkable Journey

Celebrating One Year of Asaan Ghar Finance Limited: A New Era of Islamic Home Financing in Pakistan

BIO Features SIMA’s Impact Story

SIMA Impact Foundation Launches Scholarship Program for Future Impact Investors