HF Sinclair Corp., Dallas, has appointed Atanas H. Atanasov as executive vice-president and chief financial officer of HF Sinclair effective Sept. 30, 2022, and Holly Energy Partners LP (HEP) has appointed Michael C. Jennings as president of Holly Logistic Services LLC effective today. HLS is the ultimate general partner of HEP.
Atanasov currently serves as chief financial officer of Lummus Technology LLC, , a position he has held since April 2022. Prior, Atanasov served as the executive vice-president, chief financial officer and treasurer of Kraton Corp.
Jennings also currently serves as the chief executive officer of HF Sinclair and the chief executive officer and chairperson of the board of HLS.
Richard L. Voliva III, who served as executive vice-president and chief financial officer of HF Sinclair and president of HLS, agreed to a mutual separation with HF Sinclair and HLS effective today.
