HUNTLEY, ILL. — Janko Group has acquired Regency Executive Center, a two-story, 35,000-square-foot medical office building in Huntley, an outer suburb northeast of Chicago. The building located on Regency Parkway is 41 percent leased to 10 tenants. Regency Executive Center is less than two miles north of the recently completed four-way interchange at I-90 and Route 47. The property was built in 2001. Ted Buenger and Dan Bessey of CBRE represented the undisclosed seller in the transaction. Janko Group will manage the property.