John King Mailander
Advisor at Dinergy — Mount Prospect, IL
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Credentials
Series 63, Series 65
Experience Industry experience
27 years
Location
Mount Prospect, IL
Dinergy
Supported
John Mailander is a financial advisor with Dinergy, holding Series 63 and Series 65 licenses and bringing 27 years of industry experience. He has worked at Dinergy Wealth Management since 2019 and previously spent three years at Horter Investment Management. Mailander is also president and insurance agent at A. King Financial Chartered, LTD, where he conducts life insurance sales. Dinergy is a registered investment adviser that provides discretionary investment management and financial planning services to individuals, families, business entities, trusts, estates, and charitable organizations. The firm employs a tactical, risk- and volatility-focused approach to manage assets across various domestic and international securities, typically on a discretionary basis.
Based on Dinergy
Below $250,000 - $250,000: 2.00% $250,001 - $2,000,000: 1.85% $2,000,001 - $3,000,001: 1.60% $3,000,001 - $5,000,001: 1.20% Above $5,000,000+: Negotiable
Insurance product commissions through affiliated insurance agency; no commissions on advisory services.
Account minimum: $100,000
Mount Prospect, IL
Mount Prospect IL
Advisors at this office
1
Florida · Illinois · Michigan · Ohio
27 years of industry experience
Dinergy Wealth Management
2019 - Present • 7 years
Cincinnati, OH
Horter Investment Managament, LLC
2016 - 2019 • 3 years
Cincinnati, OH
A. King Financial Chartered, LTD
2016 - Present • 10 years
Mt. Prospect, IL
Invest Financial Corporation
2009 - 2016 • 7 years
St. Charles, IL
Natcity Investments, Inc.
2008 - 2009 • 1 year
IL
Invest Financial Corporation
2006 - 2008 • 2 years
IL
Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.
Is active or affiliated with:
Insurance agent
They sell insurance products and may earn commissions on those sales.
Is not active or affiliated with:
Broker-dealer / trader
They provide brokerage services and may earn transaction-based compensation in addition to advisory fees.
Bank
They're affiliated with a bank that may offer its own financial products and services.
Trust company
They provide trust and estate administration services, typically for separate fees.
Fund sponsor
They manage or sponsor investment funds and may earn management or performance-based fees if clients invest in them.
Accountant / CPA / tax prep
They offer tax and accounting services, typically for separate fees.
Lawyer
They provide legal services, typically billed separately.
Real estate agent
They facilitate real estate transactions and may earn commissions.
Other specialized services
They may provide services such as pension consulting or municipal advisory work, typically for separate fees.
Not sure where to start?
We'll help you think it through—whether you ultimately need an advisor or not. Warmer helps you compare advisors clearly, so you can choose with confidence.
For advisor listings, we rely on sources including public filings and data provided by advisors, and we cannot guarantee that all information is current or accurate. Advisors are independent and may not have reviewed or updated this information. Please review an advisor’s Form ADV and do your own diligence before deciding whether to work with them.
Advisor matching and introductions are provided by FinanceHQ LLC (“FHQ”), a wholly-owned subsidiary of Warmer and an SEC-registered investment advisor. We receive compensation from certain participating advisors for introductions or referrals. This creates a conflict of interest because we have an incentive to recommend advisors who compensate us, including those who pay us more. You pay no fee to use our matching service, and advisor fees are not increased because of a referral or introduction. We do not review the ongoing performance of advisors, manage or hold assets, guarantee performance, or provide advice about specific investments.
By using our service, you agree to our Terms of Service and Advisory Agreement, and acknowledge our Privacy Policy. Please review FHQ’s ADV Part 2A and Form CRS. Logos provided by Logo.dev
© 2026 Warmer Holdings Inc. (“Warmer”)