Yellowstone National Park Superintendent Cam Sholly stepped in to save the life of a park visitor at the Old Faithful area on Wednesday.

While Sholly was having dinner at the Old Faithful Snow Lodge with park managers and concessionaire staff, a diner sitting next to their table began choking and stopped breathing, park officials say. Another person tried performing the Heimlich maneuver, but was unsuccessful, and the diner lost consciousness. Sholly then stepped in and also performed the Heimlich maneuver. That time, it was effective and the diner regained consciousness.

It was all in a day’s work for Sholly, who was in the final stages of planning for a Thursday visit by Vice President Mike Pence and Interior Secretary David Bernhardt.

Sholly didn’t publicize his heroics, but Pence mentioned the incident during a Thursday speech in front of Park Service employees and a throng of media. In thanking Sholly for his service, he went off script to announce the life-saving episode.

“Your Superintendent Cam Sholly, who not only has served with great distinction in the National Park Service, but also in the United States Army, and even last night showed his compassion for one of the people who were here,” Pence said. “He [Sholly] literally saved the life of one of the tourists — a young man — who was here.”

Park officials said they didn't know the person's name. Sholly was all smiles on the stage, but in his typical modest manner, declined further comment.

Sholly has worked in public safety and has been through safety training, including emergency medical response training. Basic first aid and CPR training is offered at the beginning of each season to park employees, and throughout the year.

“The more people we have trained in CPR the better,” said Linda Veress, a spokesperson for the park. “You’d be surprised how many nurses and doctors come out of the woodwork when needed,” she said.