We are a non-profit organization of individuals, families, and businesses who support, promote, and assist the Rockpile Museum in Gillette, Wyoming.
Meet some of the wonderful members that volunteer their time on the Board!

Robert A. Henning
Director of the Rockpile MuseumSample DescriptionRobert is originally from central Iowa and grew up on both a farm and in the small town of Ogden, Iowa. He received a Bachelor’s Degree in History from the University of Iowa and a Master’s Degree in History Museum Studies from the Cooperstown Graduate Program of the State University of New York at Oneonta. Robert was hired as the Registrar of the Rockpile Museum in January of 2007 and became the Museum Director in July 2015. Robert’s museum experience includes time at the State Historical Society of Iowa in Iowa City and Des Moines, the Farmers’ Museum, Fenimore Art Museum, and the National Baseball Hall of Fame and Museum, all in Cooperstown, New York, and the Jekyll Island Museum and National Historic Landmark District in Jekyll Island, Georgia. Robert married Elly Pickett of Gillette, Wyoming in 2013 and they have three sons; Samuel, David, and Amos.

Rocky A Marquiss
President of the RMAComing Soon

Sandra Stewart Holyoak
SecretarySandra Stewart Holyoak grew up on a ranch in northeastern Campbell County. She graduated from Rutgers, The State University of New Jersey with a BA in History and began directing the Rutgers Oral History Archives. The mission of the Rutgers Oral History Archives is to collect oral histories of veterans and noteworthy graduates of Rutgers. Sandra retired from Rutgers and returned to the family ranch. She is currently the NE rep of the Wyoming State Historical Society and serves as a member-at-large for the Campbell County Historical Society. Sandra currently serves as the Rockpile Museum Association secretary.

Isaiah Marquiss
Vice PresidentIsaiah Marquiss has lived in Gillette since he was one and currently resides with his parents while he works to get his business degree. He also works part-time at Wal-Mart. Whenever possible, he spends time with his family and gaming. He enjoys supporting the Rockpile Museum- and finding out more about his family’s history.