Meet The HeyDonto Team

Rivers Morrell is a seasoned serial entrepreneur with a proven track record of successfully scaling and selling companies. He has achieved three profitable exits, demonstrating his expertise in building and exiting ventures. Rivers founded CloudRetriever, leading the company to two successful exits by March 2023. He also founded Vet Marketing Pro and Veterinary Dashboards, both of which he successfully exited.

Reza Nehzati, MS, PhD in AI and Machine Learning, is a renowned expert in database technology and the development of advanced AI solutions. With extensive experience and a prolific publication record, Reza has contributed numerous research papers on AI and machine learning models to top peer-reviewed journals.

Ryan Tennyson is a SaaS growth leader and expert in healthcare integration strategy, known for spearheading partner ecosystems and revenue expansion. He currently serves as Vice President of Sales and Partnerships at HeyDonto, where he drives adoption of AI-powered EHR interoperability solutions. Previously, he led enterprise partnerships at Clearent by Xplor and served as Managing Director at Medi-Productions, delivering measurable impact across B2B integration, customer success, and go-to-market execution.

Joe Guster is a seasoned technology leader known for bridging the gap between engineering and product to accelerate innovation. As VP of Product & Implementation at HeyDonto, he leads platform strategy and execution. Previously, Joe served as CTO at DentaFlo and Kare Mobile, where he delivered scalable digital health solutions and helped pioneer mobile dentistry technologies. With a background spanning payments, healthcare, and SaaS, Joe brings a unique blend of product, technical acumen, and implementation expertise.

Courtney Killgo is a renowned VOIP infrastructure expert with a global reputation for excellence in setup and implementation. He served as Head of Product for the billion-dollar unicorn Petvisor, driving product excellence and market success. Additionally, he was CTO at CloudRetriever and Kontak, leading both companies to successful exits, solidifying his standing as a leader in the technology sector.

Javi Diaz has a proven track record in animal health, serving as Senior Vice President of Technology at WhiskerCloud. She led a successful exit when WhiskerCloud was acquired by the billion-dollar unicorn Petvisor, achieving both product excellence and market success. With expertise in product growth, web development, digital design, and leadership in SEO, she has built and scaled impressive website teams.

Jeffrey Jones, is a seasoned marketing professional with a proven track record in sales and marketing leadership. As the founder of CloudRetriever, he successfully scaled and sold the company. At HeyDonto, Jeffrey drives demand generation and customer acquisition, ensuring continued growth with his expertise in sales strategies and team leadership.

Youssef Hanine, is the Founder of Topscale AI, bringing over 3 years of experience as Managing Partner at Finance IT Forward, specializing in fintech solutions. An active board member at Leap Year Learning, he focuses on ethical AI education. With expertise in product strategy, development, and team leadership, Youssef has spearheaded AI-driven solutions that enhance operational efficiency and user engagement.

Basset Sadok is a full-stack engineer with over five years of experience building scalable web applications. As Principal Engineer at HeyDonto, he leads core platform development across frontend and backend. He has contributed to healthcare, SaaS, and enterprise projects across North America and Europe. Skilled in FastAPI, Node.js, and Angular, Basset emphasizes performance, usability, and fast delivery—bringing a global perspective to engineering leadership.

Mateusz Tomczyk is a seasoned full-stack engineer with deep expertise in backend systems, frontend development, and DevOps. As Principal Full-Stack Engineer at HeyDonto, he focuses on building robust infrastructure and streamlining deployment workflows. He previously held senior roles at Ulam Labs, Insert, and STX Next, contributing to projects in blockchain, AI, web3, and fintech. His tech stack includes Python, React, Angular, Vue.js, and React Native.

Łukasz Radecki is a full-stack engineer with deep expertise in building high-performance, user-focused web applications. At HeyDonto, he contributes across the stack, with a strong emphasis on modern front-end architecture. Previously, he held senior engineering roles at Xebia and Blesu, where he developed scalable interfaces and Chrome extensions. He holds a degree in electronics and specializes in React, JavaScript, and TypeScript.

Jakub Borusewicz is a backend engineer with deep expertise in Python and cloud infrastructure. As Principal Python Engineer at HeyDonto, he leads the design of scalable systems for complex healthcare data operations. He previously held senior roles at Ulam Labs and DO OK, building robust APIs and leading backend teams. Jakub emphasizes clean architecture, efficient development, and long-term maintainability in every project.

Oleksandra Dontsova is a Senior Software Engineer at HeyDonto, where she helps drive UI development across the company’s platform interfaces. With experience leading teams and building scalable applications in React, Vue, and TypeScript, she brings a strong design sense and a deep understanding of modern web frameworks. Prior to HeyDonto, Oleksandra contributed to engineering teams at Sigma Software and airSlate, and has also developed and teaches her own front-end courses.

Sergey Zhiltsov is a Software Engineer at HeyDonto, leading the design and development of API and dashboard systems. With over a decade of experience, he specializes in backend architecture, system integration, and scalable web applications. Proficient in multiple languages, he has led system migrations, third-party integrations, and performance-critical services. Sergey blends engineering precision with product thinking to deliver reliable, maintainable solutions.

Bartek Trybala is a skilled backend engineer with expertise in Python development, DevOps, and platform engineering. As DevOps Engineer at HeyDonto, he focuses on cloud infrastructure, automation, and deployment pipelines. He previously worked at Ulam Labs and Korbank SA, contributing to AdTech and IPTV projects with modern backend technologies. His tech stack includes Python, Django, PostgreSQL, Kubernetes, Docker, Terraform, and GCP.

Dr. Sheldon Seidman, DDS, is a leading expert in cosmetic and restorative dentistry. With advanced training from institutions such as the Pacific Aesthetic Continuum and the Las Vegas Institute for Advanced Dental Studies, Dr. Seidman brings cutting-edge techniques to his practice. He has served as a clinical instructor at Northwestern University and currently teaches at the Hornbrook Group and Roseman University School of Dental Medicine, where he shares his expertise in advanced dental procedures.

Dr. Kyla Swearingen, DDS, MS, is a board-certified practicing orthodontist and resident at the University of Tennessee Health Science Center. With extensive experience in biochemistry, exercise physiology, and neuroscience from West Virginia University, she excels in orthodontic research and clinical practice. Dr. Swearingen has held roles as a laboratory manager, research and teaching assistant, and perioperative care assistant, enhancing her expertise. She is dedicated to advancing orthodontic practices through her research and clinical skills.

Amy Gagne, RDHEF, is a leader in clinical affairs and dental education. With extensive experience at Solmetex, Sterisil, and DryShield, she excels in product development and training. Amy has driven key opinion leader engagements and continuing education programs, significantly enhancing dental practices. She also specialized in LOCATOR implants and overdenture therapy at Zest Dental Solutions. Amy is a sought-after speaker, sharing innovative solutions and compassionate leadership at industry events.