Board of Trustees and Advisory Council — The Sterling Hill Mining Museum Board of Trustees William Kroth President & Executive Director BIOGRAPHY Jeff Osowski Vice President BIOGRAPHY Missy Holzer Secretary BIOGRAPHY Denise Kroth Treasurer BIOGRAPHY Doug Francisco Trustee George Hutnick Trustee Alex Kerstanski Trustee Michael A. Pierce Trustee BIOGRAPHY Gordon Powers Trustee BIOGRAPHY Jeffrey Winkler Trustee Derek Yoost Trustee Advisory Council Cathy Astor David Astor Bruce Bannon Kenneth Daubert Robert Hauck, Sr. BIOGRAPHY Fred Lubbers William Marancik Sara Mayes BIOGRAPHY Alan Rein BIOGRAPHY