Mike Peresie
(NASHVILLE, Tenn.) Nov. 28, 2025 — Mosaic Clinical Technologies™ (Mosaic), the technology and AI services division of Radiology Partners (RP), today announced the appointment of Mike Peresie as President of Mosaic. Mike joins Mosaic as a seasoned digital health executive with more than two decades of experience leading high-growth innovation portfolios and scaled software, network and data businesses. He brings deep expertise in building technology platforms that improve access, quality and affordability across healthcare.
“Mike is an outstanding leader with an impressive track record of value creation,” said Rich Whitney, CEO of Mosaic and RP. “His experience building high-performing teams and scaling mission-critical technology businesses makes him the right leader to accelerate Mosaic’s growth and drive unique value to patients and Mosaic’s health system customers alike.”
Most recently, Mike served as Chief Innovation Officer at Optum Insight, where he led an AI-first innovation portfolio designed to transform critical parts of the U.S. healthcare system. Prior to that role, he served as CEO of Optum’s Software, Network and Data business, a multi-billion-dollar portfolio of technology businesses that improved and automated administrative and clinical workflows for healthcare providers, payors and pharmacies. During his tenure, he drove enterprise innovation, strengthened operational performance and built high performing business and technology teams. Earlier in his career, Mike held successive senior leadership roles at Optum Insight and Change Healthcare. During his tenure, Mike played a key leadership role in the successful Change Healthcare IPO and the subsequent merger with Optum.
As President of Mosaic Clinical Technologies, Mike will oversee the MosaicOS™ platform development, product strategy, operations, customer success, regulatory, AI innovation, marketing, go-to-market and strategic growth across Mosaic’s suite of solutions. He will play a central role in accelerating Mosaic’s technology and AI roadmap and expanding its impact across hospitals and health systems nationwide.
“I’m thrilled to join Mosaic Clinical Technologies™ at a pivotal moment for radiology,” Peresie said. “Mosaic has already demonstrated that modern technology thoughtfully built, with physician-AI collaboration at the forefront, can fundamentally change physician capacity, diagnostic accuracy and patient care. I look forward to building on this momentum and scaling solutions that improve outcomes and access across the healthcare system.”
Engage with Mosaic During RSNA 2025
Peresie will join the Mosaic team onsite during the 2025 Radiological Society of North America (RSNA) meeting, held Nov. 30 – Dec. 4 at McCormick Place in Chicago, where he will meet with partners and industry leaders to discuss Mosaic’s vision for next-generation radiology workflow and the company’s expansion of MosaicOS™. His presence underscores Mosaic’s commitment to deepening its partnerships and accelerating the commercial availability of the platform.
- North Hall #7108: Visit the RP and Mosaic booth to learn more about MosaicOS™, a fully cloud-native and AI-native operating system that seamlessly merges advanced diagnostic technologies.
- South Hall #4148: Visit the AWS booth to see a demonstration of Mosaic Drafting™, powered by Cognita’s multimodal foundation models and deployed via AWS cloud services.1
- South Hall #1136: Connect with RP radiologists to learn what it’s like to practice with the leading, technology-enabled practice in the country.
About Mosaic Clinical Technologies™ and MosaicOS™
Mosaic Clinical Technologies™, the technology and AI services division of Radiology Partners (RP), is powering the future of radiology through MosaicOS™—a proprietary imaging management platform designed to meet the specialty’s most pressing challenges. A fully cloud-native and AI-native operating system, MosaicOS™ is where innovation meets impact, seamlessly integrating diagnostic technologies, AI-powered tools and smart workflows into a single scalable solution. Mosaic Clinical Technologies™ supports RP’s national network of affiliated practices and commercial partners across the imaging landscape, redefining what is possible in enterprise imaging. Connect with us on LinkedIn. Contact us at info@MosaicClinical.ai.
1 CAUTION: Investigational device. Limited by United States law to investigational use.
Media Contacts
Sheila Biggs
sbiggs@jarrardinc.com