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Meet Our Leadership Team

— Driving Excellence in Life Sciences Translation & Localization

At Sesen, our leadership team brings together deep expertise in life sciences, regulatory compliance, and cutting-edge language solutions to support global organizations in achieving seamless international communication. With decades of experience in translation, localization technology, and industry-specific regulatory standards, our leaders are dedicated to delivering high-quality, compliant, and technology-enabled human translation solutions.

Guided by a client-first approach, our team ensures that every project meets the highest standards of accuracy, efficiency, and compliance, enabling pharmaceutical, biotech, and medical device companies to navigate complex multilingual requirements with confidence. Through strategic innovation and operational excellence, we drive forward-thinking solutions that help our clients succeed in an increasingly globalized and regulated world.

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Shunee Yee

Founder & CEO, CSOFT International

Shunee Yee is a globally recognized entrepreneur and visionary leader in language technology, AI-enabled content systems, and cross-cultural communication. As Founder and CEO of CSOFT International, she has spent more than 25 years building a global enterprise that enables organizations to create, manage, and deliver multilingual content at scale across life sciences, technology, and other regulated industries.

Under her leadership, CSOFT has become a trusted partner to global enterprises, supporting complex, high-stakes content across more than 250 languages. The company delivers end-to-end solutions spanning software localization, technical documentation, regulatory submissions, clinical content, and customer communications. Shunee has consistently driven innovation in how global content is produced and governed, advancing approaches that combine AI, domain expertise, and structured validation to meet increasing demands for speed, accuracy, and compliance.

Building on this foundation, Shunee recently launched Sesen, an AI-driven governance platform designed for global regulated content in life sciences. Sesen serves as an operating layer for managing multilingual content across its full lifecycle, enabling pharmaceutical, biotech, CRO, and medical device organizations to produce certified, compliant, and submission-ready communications across 150+ languages. At the core of the platform is SesenGPT, a domain-trained AI capability purpose-built for regulated content, integrated with expert human oversight and structured validation to support quality, traceability, and regulatory alignment.

Shunee has been recognized by Fortune as one of the “Top 10 Most Powerful Women Entrepreneurs” and by CNN Money as one of the “Top 25 Innovation Disruptors.” She is known for scaling global businesses while leading digital transformation and helping organizations navigate the shift toward AI-enabled content operations.

She currently serves on the Board of Directors of the Joslin Diabetes Center, affiliated with Harvard Medical School and part of Beth Israel Lahey Health, and is a member of the International Women’s Forum (Massachusetts Chapter). She is also a committee member of the Nutrition Roundtable at the Harvard T.H. Chan School of Public Health.

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Diego Di Leva

Vice President, Global Operations & Strategic Partnership

Originally from Italy, Diego leads global operations, project management, and supply chain strategy, ensuring seamless execution of large-scale localization programs. With a background in QA and translation, he brings deep operational expertise to optimizing global linguistic workflows. An ISO Lead Auditor, he ensures compliance with the highest quality and regulatory standards in life sciences localization.

Key Achievements & Contributions:

  • Optimized end-to-end localization processes for scalability and efficiency.
  • Led ISO compliance initiatives to enhance quality and security protocols.
  • Built strategic partnerships to support global life sciences expansion.

Paul Canton

Vice President, Data Security & Chief of Staff

Paul oversees data security, cloud infrastructure, and IT strategy, ensuring robust cybersecurity frameworks for Sesen’s global operations. With over 20 years in life sciences localization, he bridges the gap between technical security, client services, and regulatory compliance. His expertise in risk management and cloud technologies supports scalable and secure translation solutions.

Key Achievements & Contributions:

  • Developed enterprise-level cybersecurity solutions for regulated industries.
  • Designed cloud-based infrastructures for secure global translation workflows.
  • Strengthened cross-functional collaboration between IT, management, and sales.

Carl Yao

Executive Vice President, Strategic Business Development & General Manager, Stepes

Carl drives strategic business development and AI-driven translation R&D, shaping Sesen’s next-generation localization platforms. With over 20 years in the industry, he has pioneered AI-integrated translation workflows, enhancing scalability, automation, and linguistic quality. A graduate of Whitman College (Mathematics & Computer Science), he pursued AI specialization at Brown University.

Key Achievements & Contributions:

  • Developed AI-powered translation platforms to enhance efficiency and quality.
  • Led mobile-first translation innovations, enabling real-time multilingual support.
  • Built global strategic partnerships to advance language technology adoption.

Vladimir (Vlado) Misik

VP, Global Clinical Trial Strategy

With over 30 years in biomedical R&D and clinical trials, Vlado guides Sesen’s global clinical trial strategy, ensuring regulatory compliance and streamlined trial operations. A former research scientist at The George Washington University and the NIH, he has held senior executive roles at Quintiles/IQVIA, SanaClis, LongTaal, and VIARES. His expertise spans clinical trial informatics, regulatory research, and biopharma product development.

Key Achievements & Contributions:

  • Authored 60+ research publications on global clinical trials.
  • Led clinical study deployments across multiple international markets.
  • Serves on editorial boards and DIA Core Committees for clinical research.