GIA Executive and Leadership Team

Waylan Williams, the Chief Executive Officer at GIA, directs the institute's strategic vision and operational execution. Overseeing all facets of the organization, Williams ensures alignment with GIA's core mission of research and education in gemology and the jewelry arts. This leadership involves fostering innovation across departments, driving advancements in scientific understanding, and maintaining the highest standards of integrity in all GIA's endeavors. Williams's focus extends to enhancing GIA's global presence and impact, ensuring the institute remains the foremost authority in its field. The Chief Executive Officer's role is critical in navigating the evolving landscape of the gem and jewelry industry, championing educational programs, and supporting groundbreaking research initiatives that benefit consumers and professionals worldwide. Waylan Williams's strategic guidance solidifies GIA's position as a nonprofit leader.

Tapajyoti Das, the Chief Executive Officer & Co-Founder at GIA, spearheads the institute's foundational principles and forward-looking strategy. Das's dual role encompasses both the establishment of GIA's core values and the ongoing direction of its executive leadership. This involves cultivating a culture of discovery and learning, essential for advancing gemology and jewelry arts. The Chief Executive Officer & Co-Founder's responsibilities include guiding research initiatives, developing educational curricula, and ensuring the institute's nonprofit mission thrives. Tapajyoti Das's vision is instrumental in expanding GIA's influence, promoting ethical practices, and reinforcing its commitment to scientific rigor. Through strategic partnerships and global outreach, Das ensures GIA's continued leadership in providing unparalleled expertise and services to the industry and the public.

Loana Nuñez, the Founder & Chief Executive Officer at GIA, establishes and guides the institute's overarching mission and strategic direction. Nuñez's foundational role involves setting the precedent for GIA's commitment to research and education in gemology and the jewelry arts. The Founder & Chief Executive Officer's leadership ensures that GIA upholds its dedication to scientific integrity and educational excellence. This position requires a deep understanding of the gemological field and a vision for its future development. Loana Nuñez's influence shapes GIA's operational framework, fostering an environment conducive to groundbreaking discoveries and comprehensive learning experiences. Nuñez's strategic oversight is crucial for maintaining GIA's status as a premier nonprofit institution, impacting global standards and practices within the industry.

Cheryl Sepienza, the President & Chief Executive Officer at GIA, directs the comprehensive strategic and operational activities of the institute. Sepienza's leadership encompasses the full spectrum of GIA's mission, focusing on advancing research and education in gemology and the jewelry arts. This role involves overseeing all departmental functions, ensuring seamless collaboration, and driving initiatives that uphold GIA's global reputation for excellence. The President & Chief Executive Officer's responsibilities include fostering innovation, maintaining rigorous scientific standards, and expanding the institute's educational reach. Cheryl Sepienza's strategic vision guides GIA's growth and impact, reinforcing its position as a leading nonprofit organization dedicated to the integrity and advancement of the gem and jewelry sectors. Sepienza ensures GIA's continued relevance and leadership.

Yair Peri, the Partner, Chief Executive Officer at GIA, leads the institute with a dual focus on strategic partnership and executive direction. Peri's role involves fostering key collaborations and guiding GIA's overall trajectory in gemology and jewelry arts education and research. The Partner, Chief Executive Officer's responsibilities extend to ensuring the institute's operational efficiency and its adherence to its nonprofit mission. Yair Peri's leadership emphasizes innovation and the continuous pursuit of knowledge, driving GIA's impact across the global gemological community. This position requires a keen understanding of industry dynamics and a commitment to advancing scientific understanding and educational standards. Peri's strategic approach reinforces GIA's standing as a preeminent authority in its field.

Richard Wellington, the Chief Financial Officer at GIA, oversees the institute's financial health and strategic fiscal planning. Wellington's responsibilities include managing all financial operations, ensuring robust budgeting, and optimizing resource allocation to support GIA's research and educational objectives. This role is critical in maintaining the financial stability and sustainability of the nonprofit organization, enabling continued investment in scientific advancements and educational programs. The Chief Financial Officer's expertise guides fiscal policy, risk management, and financial reporting, ensuring transparency and accountability across all GIA's global activities. Richard Wellington's strategic financial leadership underpins GIA's capacity to innovate and expand its influence within the gemology and jewelry arts sectors, safeguarding its long-term mission.

Merle Koblenz, the President Since 2001 at GIA, provides sustained leadership and strategic direction for the institute. Koblenz's extensive tenure ensures continuity and deep institutional knowledge, guiding GIA's evolution in gemology and jewelry arts research and education. This role involves overseeing key operational functions and fostering advancements that uphold GIA's global standing. The President's responsibilities include driving strategic initiatives, ensuring adherence to the highest scientific standards, and promoting the institute's nonprofit mission. Merle Koblenz's long-standing commitment and experienced leadership are instrumental in maintaining GIA's position as a world-renowned authority, shaping industry practices and educational frameworks. Koblenz's influence continues to drive GIA's impact.

Tamana Khan, the President at GIA, leads critical aspects of the institute's strategic operations and programmatic development. Khan's leadership focuses on advancing GIA's mission in gemology and jewelry arts through innovative research and comprehensive educational initiatives. This role involves overseeing key departments, ensuring operational excellence, and driving initiatives that enhance GIA's global impact and reputation. The President's responsibilities include fostering collaboration, maintaining rigorous scientific standards, and championing the institute's nonprofit objectives. Tamana Khan's strategic vision and operational oversight are crucial for GIA's continued growth and its role as a leading authority in the gem and jewelry sectors, ensuring the dissemination of knowledge and expertise worldwide.

Donna Baker, the President at GIA, directs significant operational and strategic functions within the institute. Baker's leadership is focused on advancing GIA's core mission of research and education in gemology and the jewelry arts, ensuring the highest standards of scientific integrity and educational delivery. This position involves overseeing key initiatives, fostering innovation across departments, and enhancing GIA's global reach and influence. The President's responsibilities include driving programmatic excellence, supporting groundbreaking research, and reinforcing the institute's commitment to its nonprofit status. Donna Baker's strategic guidance is essential for GIA's continued leadership in the gemological field, contributing to the development of industry standards and the cultivation of expertise worldwide.

Sara Kruse, the Chief People Officer at GIA, directs the institute's human capital strategy and organizational development. Kruse's purview encompasses talent acquisition, employee engagement, and fostering a positive and productive work environment that aligns with GIA's mission of research and education. This role is vital in attracting and retaining top talent, ensuring that GIA's team possesses the expertise necessary to advance gemology and the jewelry arts. The Chief People Officer's leadership focuses on cultivating a culture of continuous learning and professional growth, supporting the institute's commitment to excellence. Sara Kruse's strategic initiatives enhance employee well-being and organizational effectiveness, directly contributing to GIA's success as a leading nonprofit institution.