Where Clinical Expertise Meets Educational Excellence

Transforming complex science into clear, actionable education — for clinicians and communities alike.

Most education programs underperform because they're built activity-by-activity instead of strategy-first. Dr. Marissa Fontanez helps pharmaceutical companies, accredited providers, nonprofits, and healthcare startups design medical education strategic plans that align with their clinical and business objectives, then execute across the full program lifecycle: needs assessment, curriculum and program design, content development, CME accreditation, implementation, and outcomes analysis. The result is education that demonstrably closes practice gaps and improves patient outcomes.

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Why Atabey?

Atabey is the Taíno goddess of fresh water and the source of all life. The name is a reminder that effective medical education, like clean water, is a foundation everyone deserves. Dr. Marissa Fontanez builds scalable medical education programs, employee training, and patient communications that close the gap between clinical research and the clinicians, patients, and communities who depend on it.

Testimonials

  • "Marissa stood out as someone who brings exceptional intelligence, thoughtful collaboration, and a deep understanding of professional education development. Her medical writing skills are outstanding - she is quick, detail-oriented, and able to translate complex clinical content into engaging, accurate learning experiences."

    Chelsea Walczak Vircks, Sr. Program Lead of Professional Education at American Heart Association

  • "Marissa's dedication, leadership, and meticulous attention to detail have been critical to the success of this initiative (Perimenopause CME Certificate), and I wholeheartedly recommend her to any organization or project seeking a top-tier medical educator and curriculum developer."

    Laura Okafor Crain, CEO at perry academy

  • "Marissa provided valuable input. She was a team player who was well liked. She could be counted on to complete tasks prior to deadline. I unequivocally endorse her for any position she applies for."

    Dr. Tom Mazur, AAMC Ad Hoc Committee

  • "Marissa’s ability to take vision and translate it into impactful educational strategies is unmatched. She brings both strategic thinking and empathy to her work, making her an exceptional leader and a trusted collaborator. Her leadership style is inspiring, and her commitment to excellence shines through in every interaction."

    Dave Esra, CEO at BobiHealth

  • "Marissa designed a comprehensive and immersive learning experience, integrating theory with practical application in a well-structured and cohesive manner. Her course was instrumental in preparing me for my role as a Nurse Practitioner."

    Madeline McMorrow, University at Buffalo Alumni

  • "Marissa made complex concepts easy to understand for diverse audiences. Her communication skills are exceptional, allowing her to collaborate seamlessly with teams and leadership."

    Savannah Madamba, Clinical Application Epic Analyst

  • "Marissa is caring and empathetic, and an advocate for her clients. She is dependable and an asset to any team."

    Jessica Stott, Occupational Therapist

  • " I was immediately impressed with Marissa's ability to work well with numerous SMEs and quickly evaluate the needs of the learner. Marissa learns things quickly and was able to prioritize the audience as she set about designing & developing effective training. Her courses were well planned, engaging, and effective. Marissa is open to learning new tools and quickly adapted to the tools made available by the client."

    Elizabeth Kachur, Founder of Designs+Solutions

  • "Beyond her technical and creative expertise, she is a highly organized and communicative professional, consistently meeting deadlines and exceeding expectations at every turn."

    Dana Ball, Strategic Advisor at B4 Symptoms

  • "Marissa is a rare combination of strategic visionary and tactical executor. She brings deep expertise in medical education, innovative thinking around emerging technologies, and the leadership skills necessary to drive organizational change. "

    Lee Gazourian, MD, CEO of B4 Symptoms

  • "Marissa brings a unique blend of clinical background and online learning expertise that allows her to pair scientific precision with a clear understanding of how to design content that's accessible, engaging, and genuinely useful for learners. "

    Catherine Turvey, MPH, Director of Advocacy, Community Strategy, and Research at Discovery (A healthcare advocacy agency)