What makes us different

At MiAddvantage, we go beyond. We listen, understand your audience and your goals, and craft strategies that generate real value for your organization. By combining our cross‑industry expertise, we channel our experience into helping brands grow beyond borders and reach new markets.

We are committed to fostering meaningful connections in the communities we serve, helping businesses and non-profit organizations achieve their full potential.

Marketing and communications leader with experience launching over 100 pharmaceutical products across the Americas and leading strategies for global organizations. Currently drives business growth as Marketing and PR Director at FCHCC, leading high-impact events and strengthening community engagement.

María Isabel
Montoya Leonard

CEO - Marketing and Advertising Administrator

Her agency has supported the launch and positioning of more than 100 pharmaceutical products across Latin America and the United States, and she has directed communications for organizations such as the IFC (World Bank Group), the Inter-American Development Bank, Unilever Andina, Disney, the University of North Florida (UNF), and UF Health, where her work supported community-focused initiatives that translated complex topics into clear, accessible communication for the public.​

Maria also leads the largest Business Expo and Conference in Jacksonville and serves as Marketing and PR Director and Radio Host for the First Coast Hispanic Chamber of Commerce (FCHCC), increasing membership engagement and registrations. She is a Board Member for the International Business Program at UNF’s Coggin College of Business and has created branding for major events including the Bogotá Film Festival and the Miami Film Festival. She was nominated for Woman of the Year at the Hispanic Talent Business Excellence Awards.

Last updated March 2026

Brenda Melgar Aliaga

Project Manager & Marketing Planner |
Business Development


Bilingual Project Manager and Marketing Planner at MiAddvantage, leading integrated marketing campaigns, client strategies, and business development initiatives. She serves as the lead marketing and digital strategist across the U.S. and Latin America, overseeing the implementation of marketing initiatives across multiple markets.​ With experience ranging from brand launches to large-scale conferences and expos, Brenda is known for combining strategic vision with hands-on execution. Fluent in English and Spanish, she brings a collaborative, results-driven approach that strengthens client relationships, builds communities, and supports sustainable growth.

Angela Silguero

Art Director

Bilingual Graphic and Advertising designer, with more than 20 years of experience in conceptualization, creation, and development of advertising pieces and institutional communications for large national and international brands. RFP for Hispanic PR Services.​ Angela has incredible versatility in the creation of branding, packaging, books layout, magazines, BTL digital media, festivals, and events. She is an expert in the management of cultural exhibitions. ​ Angela has developed over the years technical skills that allow her to be an expert in the design and graphic world. Her skills allow her to achieve high precision in visual communications, she is observant, creative, and capable of identifying trends. She has skills for managing and coordinating work teams, bringing the best of them for maximum potential achievement.

Leonardo Aldana

Media Director

Bilingual graphic, web, and digital designer with more than 20 years of experience in the creation and execution of graphic, digital, and illustration communication projects. Specialized in institutional, pharmaceutical, health and financial organizations, among such as Novartis, Companion Therapeutics, Cafam, Covidien, Citi Group, the Link, HCFF, magazines. All of them, aimed at different audiences and with different objectives, obtaining the expected results for each client. For different companies he has developed successful projects in digital marketing designed to obtain high visibility, interaction and improve sales.

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We are always looking for new talent