We’re passionate about helping you grow and
make an impact.

About Our Founder

With 38 years of professional experience, I bring a unique depth of expertise in building and leading successful organizations. I have founded and grown multiple healthcare entities, including SynergenX Health, LLC, and have served in senior leadership roles such as Chief Executive Officer at Sentry Neuromonitoring, LLC.

My career reflects a proven track record in entrepreneurship, strategic leadership, and operational execution. I am uniquely skilled across all facets of small business development, including operations management, marketing strategy, accounting and finance, and legal review. This broad expertise allows me to identify opportunities, navigate complex challenges, and drive sustainable growth.

Passionate about healthcare innovation and patient-centered solutions, I continue to leverage my leadership and entrepreneurial experience to build organizations that deliver measurable value to both patients and providers.

Kenneth Sly

Our Team

A woman with long dark hair and blonde highlights, smiling, wearing a white shirt, dark jacket, and a necklace with a pendant, standing against a textured background.

Gabby Long

CO-FOUNDER & PARTNER

Gabby Long is the Co-Founder and Partner of Comprehensive Advisory Services, bringing strategic leadership, financial expertise, and client-focused vision to the heart of the company. As a holder of a BBA Degree in Accounting from the University of Houston, she oversees accounting, tax preparation, and all state and federal filings, ensuring that we operate with accuracy, compliance, and financial integrity.

In addition to managing the financial side of the business, Gabby plays a key role in client relations, banking, marketing, and business development. She works closely with clients to understand their needs, provide clear guidance, and ensure they receive reliable, high-quality service from the moment they engage with us.

Gabby is known for her professionalism, attention to detail, and commitment to helping clients succeed. Her ability to combine financial expertise with relationship building and strategic growth makes her an essential partner in our mission to provide dependable, transparent, and results-driven solutions.

Portrait of a young woman with long black hair, smiling, wearing a black shirt, brown jacket, and a gold heart-shaped necklace, with a blurred blue and white background.

Marisol Carillo

ADMINISTRATOR

Marisol Carrillo is the operational backbone of Comprehensive Advisory Services, serving as the primary point of contact for clients, partners, and internal teams. As Administrator, she ensures every interaction, schedule, and project runs smoothly from start to finish.

With a strong background in client relations, scheduling, logistics, CRM management, and inside marketing, Marisol keeps us organized, responsive, and efficient. She manages client communications, coordinates vendors, oversees project timelines, and supports marketing and lead follow-up to ensure no opportunity or detail is missed.

Marisol is known for her professionalism, attention to detail, and commitment to exceptional service. Whether you’re booking a service, coordinating a project, or following up on next steps, she works behind the scenes to make the process seamless, clear, and stress-free.

Her dedication to organization and client experience plays a vital role in keeping us operating at a high level and delivering consistent, reliable results for every client.

Portrait of a smiling woman with dark hair pulled back, wearing a cream satin button-up shirt against a plain gray background.

Melarie De los Santos

TECHNOLOGY & DIGITAL STRATEGY LEAD

Melarie leads technology, website development, social media management, and cybersecurity services for clients. She helps businesses build a strong online presence, operate securely, and leverage digital tools to drive growth, efficiency, and long-term success.