The DIEDERICH SIMMONS PEREZ Team
Challenging the Status Quo
What it Means to Work With Us
We are not bankers, brokers or salespeople. We are a family office for business owners and their families, a hub of your financial well-being, quarterbacking every challenge and finding winning solutions. Our team is comprised of talented and experienced advisors who have the pedigree and passion to serve your needs – no matter how complex. Our team of CFPs®, CPAs, CFAs and JDs is uniquely suited to help meet whatever needs your business and family have now or in the future. We leverage our collective expertise, skills and dedication to develop and execute a plan that is as unique as your business.
Our business model is designed to specifically serve your interests:
Business Owners
As a boutique firm that is 100% partner-owned, we understand your needs as business owners because we are business owners ourselves.
Fee-Only
We are a fee-only Registered Investment Advisor (RIA). That means we never accept commissions; you can trust our recommendations put your best interest first.
Custom Family Office Team
We build a team around each of our clients that anticipates, identifies and solves issues with an exceptional attention to detail before they become problems.
Meet our Team
Al Simmons
Partner
Katie Lewis
Family Office Specialist
Mick Hanon
Client Service Manager
Colby Landwehr
Client Service Manager
Pietro Nicastro
Client Service Manager
Luke Rottinghaus
Client Service Manager
Frankie Sacco
Client Service Manager
Joe Simmons
Client Service Manager
Debbie Reimer
Executive Assistant
A Wealth of Information
DIVE INTO THE LATEST INSIGHTS FROM OUR EXPERT TEAM.
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Monthly Recap – October 2025
October Observations Still Climbing Global equities extended their rally in October, with the MSCI ACWI up 2.2% as developed and…
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Bubbles and Bankruptcies
Tim Side, CFA “Irrational exuberance, as famously diagnosed by Robert Shiller ahead of the dot-com bust, is not the same…
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Third Quarter Investment Report – 2025
Executive Summary The third quarter of 2025 extended the year’s remarkable market resilience amidst a continuing whirl of policy developments,…