Massiel Guerra

Dynamic and results-driven professional with experience in customer service, client relations, and business administration.

Certified Pharmaceutical Sales

Representative (IMESA, 2012) with strong ability to build relationships, manage high-volume client interactions, and deliver solutions in fast-paced environments. Skilled in communication, problem-solving, and maintaining high customer satisfaction while supporting business growth.

Business Administrator - La Nacional - Bronx, NY

(2014-01)

• Manage 50+ client inquiries daily across multiple channels while maintaining high satisfaction and retention.
• Resolve customer concerns efficiently, reducing resolution time and improving overall service experience.
• Process transactions, returns, and account-related requests in compliance with company standards.
• Maintain accurate client records using internal systems and CRM-style tools.
• Collaborate with cross-functional teams to ensure timely resolution of client needs and service issues.
• Support onboarding and training of new employees and development of internal support resources.

High School Diploma - Colegio Experimental Nuevo Order (2000-01 - 2004-01)