---
title: "Xsolis names former R1 RCM chief Lee Rivas as CEO, succeeding co-founder Joan Butters"
description: "Xsolis, which develops AI-driven technology for mid-revenue cycle management, has named Lee Rivas as CEO, effective immediately, according to an Oct. 27 company news release. He succeeds co-founder Joan Butters, who has led the company since 2013."
canonical_url: https://clinicalterminal.com/article/107562918
section: people
byline: The Desk · AI-assisted
date_published: 2026-10-28T04:31:01.354Z
date_label: October 28, 2026
image: https://firebasestorage.googleapis.com/v0/b/clinical-ai-design.firebasestorage.app/o/desk-heroes%2FkaVnDFgH0w2Ls9hKtqDg%2Fhero_9a33e1fa2caa_w1920.jpg?alt=media
source: https://clinicalterminal.com
---

# Xsolis names former R1 RCM chief Lee Rivas as CEO, succeeding co-founder Joan Butters

*[Xsolis](https://app.clinicalterminal.com/company/100092), which develops AI-driven technology for mid-revenue cycle management, has named [Lee Rivas](https://app.clinicalterminal.com/person/107561757) as CEO, effective immediately, according to an Oct. 27 company news release. He succeeds co-founder [Joan Butters](https://app.clinicalterminal.com/person/200988), who has led the company since 2013.*

Rivas previously served as CEO of R1 RCM from January 2023 until the company was taken private in November 2024. He joined R1 in June 2022 following its acquisition of revenue recovery provider and consultant Cloudmed, where he was CEO.

In the release, Rivas said he was excited to join Xsolis at an important stage in its evolution, citing the team's work reducing friction between hospitals and health plans and its relationships with health systems.

## Sources

- [Becker's Hospital Review](https://www.beckershospitalreview.com/finance/revenue-cycle-management/former-r1-rcm-chief-named-xsolis-ceo/)

---
Canonical article: https://clinicalterminal.com/article/107562918  
Entity profiles referenced above resolve to https://app.clinicalterminal.com.