Meet the
Team
We are a team of entrepreneurs, engineers and physicians at the forefront of medical practice transformation and AI-augmented care.
Jhonatan Bringas Dimitriades, MD
CEO and Co-founder
Ex-Corsano Health | Ex-Lode | Advisor to Medscape. More than a decade of track record in the development and commercialization of medical technology. Previous companies have met exits or corporate deals.
Diana van Stijn, MD PhD
Chief Medical Officer and Co-founder
Amsterdam UMC Hospital. Former Synchronized Swimming Pro Athlete. European and World competitive Swimmer. PhD in Pediatric Cardiology.
Seamus Holohan
COO and Co-founder
Serial Entrepreneur. 6 companies founded. 4 exits | two exits to NASDAQ Trading companies.
Rodrigo Alvez
CTO and Co-founder
Ex-Accenture. Serial Entrepreneur and founder of one of LATAM's biggest Telehealth companies.
Toni Leinonen
Head of Engineering and Founding Team member
Serial Entrepreneur. Developed the Oura Ring. Founder of Haltian | Top IoT company in Europe. Raised around USD 100M in companies.
Board of Advisors
Company Timeline
Started in 2022
Dr. Diana van Stijn, MD PhD and Jhonatan Bringas, MD decide it was time to start innovating in the realm of Sound as a biomarker.
Raises USD 3.7M in 2023
Lapsi Health raised USD 3.7M to finish the development of Keikku, its patented Digital Stethoscope powered by AI.
FDA cleared and ISO in 2024
Keikku was cleared as a Class II Medical Device by the Food and Drug Administration of the United States of America in 2024.
Launch of Ambient capabilities in 2025
Keikku launches its Ambient capabilities for Scribe, Vocal Biomarkers, Medical AI and its future multi-sensor approach. Keikku becomes the first contextual Medical Device, developed for AI delivery.
Breaking barriers in clinical AI
We believe that every healthcare professional deserves tools that enhance their expertise, not replace it. Keikku combines cutting-edge AI with the timeless art of clinical examination to help clinicians deliver better care, faster.