Patterson Companies Inc, St Paul, Minn, the parent company of Patterson Dental, named Mark Walchirk as its new president and chief executive officer, effective November 20, 2017.

Walchirk will succeed James Wiltz, who will continue to serve as interim president and CEO until that time and will remain on the Patterson Board following the transition. Walchirk will also become a member of the board, which will be expected to include nine directors, as of the effective date.

Walchirk comes to Patterson with nearly 30 years of experience in healthcare services and distribution, including 16 years at McKesson Corp.