HIStalk, Industry News HIStalk Interviews Guillaume Castel, CEO, PerfectServe Guillaume Castel, MBA is CEO of PerfectServe of Knoxville, TN. … September 2, 2020/by HIStalk News https://cdn.schimss.org/wp-content/uploads/2020/06/05131604/himss-logo-2020.png 0 0 HIStalk News https://cdn.schimss.org/wp-content/uploads/2020/06/05131604/himss-logo-2020.png HIStalk News2020-09-02 14:03:012020-09-02 14:03:01HIStalk Interviews Guillaume Castel, CEO, PerfectServe