Lynn Goessling, a commercial real estate and business lawyer, has joined Armstrong Teasdale's St. Louis office as a partner in the financial and real estate services practice. Most recently, Goesling was a partner at SmithAmundsen for two years and at and Herzog Crebs for 25 years. Goessling represents a diverse range of clients, from developers and landowners to privately held businesses and public companies, according to a release. Her practice includes office and industrial development, health…