Diverse Markets

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Antonio Guillen

Antonio Guillen | Wintrust DiversityWe are dedicated to serving the community! Please call Antonio Guillen directly at 847-418-3496. He will personally sit down with you and discuss the best solution for your finances.

Antonio R. Guillen is Senior Vice President, Commercial Lending and Diverse Markets Manager for Wintrust Financial. He has over 30 years of banking experience. He also specializes in Commercial Banking, for small and medium-sized business lending and commercial real estate finance and development. Most recently with Park National Bank (now a part of U.S Bank), he spent his last four years as Senior Vice President and Market Manager responsible for overseeing $60 million in small business/commercial and industrial loans in a variety of business sectors as well as commercial real estate and development loans. Prior, he was with Cosmopolitan Bank and Trust (FBOP Corporation) and Cosmopolitan National Bank of Chicago.

Guillen is affiliated with a number of local organizations, including:

  • Accion Chicago
  • American GI Forum of Illinois
  • Aspira of Illinois
  • Board Member of the Puerto Rican Arts Alliance (PRAA)
  • Casa Central
  • Central States SER
  • Eighteenth Street Development Corporation (ESDC)
  • East Village Youth Program
  • El Hogar Del Nino
  • Enlace Chicago
  • Hispanic Advisory Board Member for Catholic Charities
  • Hispanic Heritage Organization
  • Holy Trinity High School, Chicago
  • Illinois Hispanic Chamber of Commerce (IHCC)
  • Inner City Impact
  • Instituto del Progreso Latino
  • Latin American Chamber of Commerce (LACC)
  • Latino Breakfast Club
  • Little Village Chamber of Commerce (LVCC)
  • Logan Square Chamber of Commerce
  • Logan Square Neighborhood Association (LSNA)
  • Miracle Center
  • National Association of Hispanic Real Estate Professionals (NAHREP)
  • National Latino Education Institute (NLEI)
  • National Museum of Mexican Art
  • Neighborhood Boys and Girls Club (NBGC) Steering Committee
  • Northwest Connection Chamber of Commerce
  • Northcenter Chamber Board Member
  • Orange Crush Social Athletic Club
  • President of the Hispanic Bankers Association (HBA)
  • Project Education Plus (PEP)
  • Puerto Rican Chamber of Commerce
  • Rauner Family YMCA
  • St. Tarcissus Holy Name Society


Other Divisions of WintrustWe became the bank that Chicagoans were and are looking for. We have and always will be rooted in the communities we serve. Our banks are big enough to handle $50 million loans to businesses in the area, yet small enough to hand out cookies and coffee when you come in the bank, lollipops to kids, and even dog biscuits to "man's best friend". We're large enough to handle the most complex Trust and Wealth Management issues or able to provide you a simple FREE checking account, and when you call, we'll answer the phone and know you by name. Whether your business needs to refinance its office building or your daughter needs a mortgage for her first home, we'll get it done for you. Our banks have the resources of the big banks (at least the same, if not better solutions) paired with the best customer service.

Wintrust is a financial holding company with assets of approximately $15 billion whose common stock is traded on the Nasdaq Stock Market . Wintrust operates fifteen community bank subsidiaries that are located in the greater Chicago and Milwaukee market areas. Additionally, the Company operates various non-bank subsidiaries including one of the largest commercial insurance premium finance companies operating in the United States, a company providing short-term accounts receivable financing and value-added out-sourced administrative services to the temporary staffing services industry, companies engaging primarily in the origination and purchase of residential mortgages for sale into the secondary market throughout the United States, and companies providing wealth management services including broker-dealer, money management services, advisory services, and trust and estate services. Currently, Wintrust operates more than 80 banking offices.