Guerlince has a diverse and impressive range of experiences in nonprofit organization and business development, executive coaching, and project management across various sectors. He has worked with notable organizations and businesses, both in the public and private sectors, including educational institutions, healthcare, and community-based organizations.

Guerlince's contributions extend beyond his work experience, as he has also engaged in speaking engagements, teaching, and writing. His involvement in conferences, lectures, and publications highlights his commitment to sharing knowledge and insights with others. His involvement in media appearances and coverage on news programs demonstrates his recognition and influence within the Haitian Diaspora community and beyond.

Guerlince was born and raised in Haiti and came to the United States at the age of 14. His educational background, including a bachelor's degree in criminal justice from Salem State University, and his participation in specialized programs like the Tufts University Clinical and Translational Science Institute (CTSI) and the Institute for Nonprofit Practice at Tufts University/Tisch College, reflect his dedication to continuous learning and professional development.