Contact Us



Lester G. Detterbeck, CPA/PFS, MBA, CFP, CFA
Consulting Services and Special Projects



Phone 847-991-6262 ext. 224
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Les is the founder of Detterbeck Johnson & Monsen and has served the financial needs of clients for over 30 years. He is also the president of Detterbeck Wealth Management, a fee-based financial planning and asset management firm, and a manager of Midwest Financial Center, a registered representative of QA3 Financial Corp. Les’ areas of expertise include succession planning, business negotiations, and estate planning.