Strength, stability and a touch of class.

Leadership Team

For the past five decades our leadership has treasured this heritage while embracing progress, growth, improvement and innovation.



Nancy Nagy President CEO Koenig Strey Real Estate      


Nancy Nagy's wealth of real estate and financial expertise and dedication to the company have informed her vision for the company as the strongest and most successful home service provider in the Chicago-area market. Under her leadership, the company has taken bold steps to build a culture of growth, prosperity and sound business practices. As Chicago Regional Manager, she established herself as an outstanding leader with a distinguished career in both the real estate and mortgage brokerage worlds, overseeing two of the largest real estate offices in the nation on the high profile Gold Coast and Lincoln Park neighborhoods as well as the vibrant Northwest Side and Park Ridge locations. She attributes her success and strong record in growing businesses to her uncanny ability to identify and support the area’s most outstanding agents. She has held top posts as executive vice president of a leading real estate brokerage/management firm and president of a leading mortgage brokerage firm. Nancy has also served as a member of the Executive Committee, Board of Directors of the Chicago Association of Realtors®.



Office: 312.284.3500












Michael Pierson is the ultimate Chicago real estate success story. In two decades, his tireless work has led him to his current position as President of BHHS KoenigRubloff Realty Group, one of America’s top real estate companies. Michael Pierson began his career at Arthur Andersen & Company upon graduating from Purdue University. He then moved to IBM Corporation where he began a successful sales career. Upon entering real estate in 1985, he quickly became a top producer and soon became Broker/Owner of the prestigious and successful, Seery & Keim Realtors, which was acquired by GMAC in 2000. As Senior Vice President and Gold Coast Branch Manager of Koenig & Strey's Gold Coast office, he led the office growth to over $1 billion in annual sales, ranking them 2nd nationally in closed volume and Gross Commission Income (GCI). He was highly instrumental in securing the firm’s exclusive marketing agreement to represent one of Chicago's most prestigious buildings, 401 N Wabash. In 2005, Pierson was named Executive Vice President and General Sales Manager of Koenig & Strey, overseeing 17 locations and all branch office operations. In 2006, Pierson was named the MVP nationally at GMAC Real Estate. Pierson and Chris Eigel acquired Prudential Preferred Properties in 2007 and then successfully acquired the prestigious Rubloff firm in September of 2009. Pierson was hugely instrumental as President and Chairman, leading Prudential Rulboff to one of the top 35 firms nationally in the Real Trends Power Broker report. In 2013, Prudential Rubloff was acquired by HomeServices of America, a Berkshire Hathaway affiliate. That same year, Pierson was honored in the “Swanepoel Power 200”, an exclusive list showcasing the nation’s most powerful people in real estate. Then in April of 2014, the legendary firms of Rubloff and Koenig & Strey were merged to form Berkshire Hathaway HomeServices KoenigRubloff Realty Group. Later that year, Pierson was named 'Top 100 Most Influential Real Estate Executives' in the nation by Real Estate Executive magazine. Pierson currently serves as President of the Chicago area powerhouse with 1500 agents, 11,000 closed units and over $5 billion in sales.  Michael enjoys his time with his two successful daughters Meghan and Meredith and his partner Kevin. He is an avid tennis player and reader. He is a huge fan of modern architecture.


Office: 312.849.4019