The Mountaintop Social Impact Executive Fellowship (SIEF)

Fellowship Programs

The Mountaintop International

Posted:

October 16, 2025

Deadline:

This expired on

December 14, 2025: 6:00 pm

Description

Why Our Fellowship

The greater the responsibility, the more complex the decisions. This program is for you if:

  • You are guiding an organization through turbulent change.

  • You are responsible for advancing your mission in resource-constrained environments.

  • You are building teams that must perform and endure under pressure.

  • You value impact, but face constant tradeoffs and competing demands.

These are the realities executives in the social impact sector face.

The fellowship creates the structured space to step back, reflect, and sharpen leadership. Fellows gain frameworks, tools, and strategies from Harvard faculty, experienced practitioners, and peers who are experts on the skills needed to create transformative impact.

Why Mountaintop

World-Leading Faculty and Practitioners: Our program features faculty from Harvard Business School, Harvard Kennedy School, and world leaders such as Nobel Peace Prize Laureate Shirin Ebadi. See a sample curriculum and speaker list from our recent Leadership Institute for social impact executives.

Deep Experience in Executive Education: Mountaintop has built eight executive programs, supporting leaders in the U.S. and across 17 countries. Partners include the Harvard Edmond & Lily Safra Center for Ethics and the NYU Stern Initiative on Purpose and Flourishing.

Dedicated Executive Mentorship: Access 1:1 mentorship with top business leaders at any time during the fellowship through Mountaintop’s Mentor Office Hours program. See a sample of mentors here.

Proven Impact: Mountaintop’s SIEF has achieved a perfect Net Promoter Score of 100 in each of the past two years, with 100% of participants citing a transformative or significant impact on their leadership trajectory. For Fellows leading social ventures, our most recent cohort increased revenues by 50% and staff size by 46% year on year.

Who Can Apply

Mountaintop welcomes applications from:

  • Individual candidates from any country working in the social sector (governments, NGOs, philanthropy, or education) who are committed to deepening their impact and strengthening their leadership. This includes early- to mid-career professionals who are stepping into positions of greater responsibility and want structured support to grow, as well as experienced leaders who are already driving initiatives, organizations, or movements and are seeking to expand their influence, sharpen their strategies, and connect with a global network of peers.

  • Employer sponsors (e.g. governments, NGOs, philanthropies, or education institutions) nominating staff for the fellowship.

Opportunity Overview

Organisation

The Mountaintop International

Category

Location

Expiration Date

This expired on

December 14, 2025

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The Mountaintop International

Oranisation Overview

VISION

A world where every community has the inner capacity, or "human infrastructure," to lead its own development and flourish so that all people can thrive in body, mind, and spirit.