Our Leadership

The Team Moving Gem Legacy Forward

Gem Legacy is led by a blend of nonprofit expertise, industry insight, and deep local experience in East Africa. Our leadership includes the family who helped build the organization from the ground up, the team living and working in mining communities every day, and a dedicated board and advisory council committed to transparency, collaboration, and long-term impact.
Team Gem Legacy

BOARD OF DIRECTORS

A diverse team of industry leaders and mission-driven professionals providing strategic direction, financial oversight, and long-term vision:

Monica Stephenson

ANZA Gems
Founder of ANZA Gems, Monica champions ethical sourcing and supports East African gemstone communities through industry leadership and advocacy.

Melissa Quick

Steve Quick Jeweler
Co-owner of Steve Quick Jeweler, Melissa brings decades of retail expertise and a strong commitment to responsible, community-focused jewelry practices.

Ben Smithee

NextAfter & Wild Type Digital
Chief Growth Officer at NextAfter and Founder of Wild Type Digital. Ben is a strategist, storyteller, and connector who has grown organizations through digital marketing, marketing research, and advertising and has traveled the globe speaking and coaching executive teams.

Roger Dery

Roger Dery Gem Design
Master gem cutter and founder of Roger Dery Gem Design, Roger brings deep firsthand experience from more than two decades working in African mining regions.

Ginger Dery

Roger Dery Gem Design
The creativity and vision behind Roger Dery Gem Design, Ginger contributes extensive field experience and long-standing relationships with mining communities.

ADVISORY COUNCIL

Gem Legacy’s Advisory Council includes experts across the gemstone and jewelry industries who amplify our mission, connect us to partners, and bring invaluable insight to our work. Members Include:

Lika Behar

Lika Behar Collection

Katherine Bodoh

American Gem Society

Kate Donovan

Accredited Gemologists Association

Jonathan & Brecken Farnsworth

Parlé Jewelry Designs

Michelle Graff

National Jeweler

Elle Hill

Hill & Co.

Meghan Margewicz

JCK Luxury

Mélanie Matthes

Junior Specialist, Christie’s Auction House

Jennifer Maxwell

Leigh Maxwell Jewelry

Niveet Nagpal

Omi Gems & Omi Privé

Debra Navarro

Debra Navarro Jewelry

Stuart Robertson

Gemworld International

Raja Shah

President, Color First

Sara Yood

Jewelers Vigilance Committee

We’re always looking to connect with dynamic, values-driven people—both inside and outside the jewelry industry—who can help strengthen our mission.

If you believe your expertise, insight, or leadership could add value to Gem Legacy, we invite you to express your interest using this form. While opportunities are limited, we welcome thoughtful inquiries and appreciate your desire to be part of this work.

EXECUTIVE LEADERSHIP

Bernadette Mack

Executive Director

Bernadette brings more than 25 years of nonprofit leadership experience to Gem Legacy, with a background in development, communications, and organizational strategy. She leads Gem Legacy’s vision, growth, partnerships, and fundraising while supporting the work on the ground in Tanzania and Kenya. Bernadette believes strongly in collaboration, creating opportunity, and connecting people to make meaningful change possible. Based in South Carolina, Bernadette is also a fitness instructor and writer who finds her energy in nature—whether she’s hiking, gardening, or exploring somewhere new with her family.
A black and white photo of a woman wearing glasses sitting on her front porch

EAST AFRICA LEADERSHIP

Rachel Merisheki

Director of Mission & Outreach

Rachel is based nearly 50% of each year in Arusha, Tanzania – East Africa’s gem center and Gem Legacy’s home base. She oversees Gem Legacy’s daily operations in Tanzania and Kenya, working directly with miners, schools, children’s homes, and local leaders. Having spent years building trusted relationships across mining regions, she ensures every program is grounded in real needs, cultural understanding, and close community partnership. A lover of travel, in her free time Rachel is always planning the next vacation, usually based around food and history.

Bjorn and Rachel Merisheki in a reddish orange cave

Bjorn Merisheki

Director of Mission & Outreach

A native Tanzanian and second generation miner, Bjorn brings firsthand knowledge of mining communities and their challenges. He manages day-to-day program implementation, oversees infrastructure and project development, coordinates miner partnerships, and ensures support reaches the right people at the right time. His community relationships and lived experience keep Gem Legacy’s work rooted in authenticity and impact. Outside of Gem Legacy, Bjorn is happiest grilling, trying out a new gelato spot, and researching new mining regions to explore.

Bjorn and Rachel Merisheki on a reddish-orange dirt path. The background is a dry landscape with a mountain in the far back and a bright blue sky with white clouds.

Pia

Kitarini Primary School Liaison

Pia serves as the Kitarini Primary School Liaison, supporting more than 900 students who receive daily meals and education through Gem Legacy’s programs. She plays a key role in the day-to-day connection between the school, families, and Gem Legacy’s team, witnessing firsthand how consistent meals and stable schooling are reshaping expectations in the community.

Her work helps turn that momentum into lasting opportunity. Pia embodies the heart of Gem Legacy’s impact: building trust, nurturing potential, and supporting students as they discover the power of learning. Pia also supervises graduates from Kitarini Primary School as they continue their education in secondary and beyond.

A woman wearing a gray Gem Legacy polo shirt smiles at the camera while standing outdoors, with trees and soft greenery blurred behind her.

Diana

Lead Gem Faceting Instructor

Diana is Gem Legacy’s lead gem faceting instructor and one of the youngest emerging talents in East African gemstone cutting. Her skill, patience, and steady leadership earn the respect of every student who trains under her.

She teaches students how to transform rough gemstones into polished stones — and, just as importantly, how to transform talent into a sustainable career. Under her guidance, students gain both technical mastery and personal confidence.

With the new Gem Legacy Campus on the horizon, Diana is eager for what expanded space and improved resources will mean for her classes: more students, more tools, and more opportunities to prepare young people for meaningful work in the gemstone industry. Her leadership is central to the future of our vocational training programs.

A woman wearing glasses and a gray Gem Legacy polo shirt speaks to students in a classroom, standing in front of a worn chalkboard and holding a chalk eraser.

Skyler

Campus Project Manager

Skyler leads construction of the Gem Legacy Campus, bringing a rare blend of technical expertise, cultural understanding, and deep personal connection to the project. Raised in Tanzania, he grew up with a strong sense of community before later honing his building skills in the United States — everything from carpentry and cabinetry to flooring, roofing, and plumbing. Now, his craftsmanship and commitment shape every detail of the Campus build.

Skyler brings vision, grit, and hands-on leadership to a project that is deeply meaningful to him. His work ensures the Campus is built for comfort, convenience, and lasting impact — a home for education that will serve generations of students.

A smiling man wearing a blue short-sleeve shirt stands outdoors at the Gem Legacy Campus construction site, with soil, greenery, and hills in the background.

Jose

Kenya Initiatives Supervisor

Jose is part of Gem Legacy’s on-the-ground team in Kenya, supporting day-to-day follow-up with mining partners, scholarship students, and local leaders. His behind-the-scenes work—tracking progress, sharing updates, and problem-solving in real time—helps keep Gem Legacy’s programs responsive to real community needs. He first began working with gemstones in 2014 as a miner and broker and is passionate about Gem Legacy’s work because, in his words, the help doesn’t just last for a day.

A smiling man in a light grey polo shirt with the text "GEM LEGACY" on the chest stands outside in a dry, open area with scattered brown vegetation and reddish-orange dirt. The sky is bright blue.

Philip

Kenya Mining Liasion

Philip serves on Gem Legacy’s Kenya team, leading our miner outreach initiatives. He is uniquely qualified for this role as a long time miner himself. He speaks a variety of languages, in addition to the “mining” language, that allows him to connect deeply with the miners. He has a passion, with his intimate understanding of the challenges miners face, to respond with practical, people-centered solutions. Philip remains pivotal to our work ensuring gem-mining communities receive the tools, training, and support they need. He coordinates mine pre, post, and delivery visits, check-ins with partners, and community feedback so each project stays practical and people-centered.

A smiling man in a light grey polo shirt with the text "GEM LEGACY" and a blue diamond logo on the chest is standing outdoors on a reddish-orange dirt path. The background is a dry landscape with brown vegetation and a bright blue sky with white clouds.

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