Stoltenberg Consulting (Bethel Park, Pa.). Sheri Stoltenberg founded Stoltenberg Consulting, a healthcare-focused consulting company, in 1995. Since then, the company has been listed among DiversityBusiness.com's "Top 100 Privately-held Businesses" and among Pittsburgh Business Times' "Best Places to Work." The company offers consultants a development program and provides vendor certification, mentorship partnerships, internal training sessions and other career advancement opportunities. Stoltenberg Consulting's culture is devoted to providing an opportunity for associates to prosper and requires no more than 35 billable hours per week with the flexibility to work additional hours.