Financial Advisors

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Alan Duff Headshot

Alan Duff
VP, Investment Adviser Representative

127 W. Berry Street, Fort Wayne, IN 46802
P 260.428.7033 |

Alan is a registered investment representative with more than 20 years of financial expertise. Alan uses his knowledge of markets and securities to structure and manage investment portfolios for his clients. Alan holds his Series 7, 24, 63 and 66 securities licenses.

Alan earned his bachelor’s degree in business from Indiana University in Fort Wayne.

When he is not guiding clients to financial success, Alan volunteers as a board member for Leadership Fort Wayne. He is also active with youth sports. He lives in Huntertown with his wife and two children. 

David Mahlan Headshot

David Mahlan
Financial Advisor

 127 W. Berry Street, Fort Wayne, IN 46802
P 260.428.7098 |

David Mahlan joined STAR in 2010 and has over eight years of financial services experience. He is responsible for assisting clients in Fort Wayne and the surrounding area in assessing and helping them meet their financial investment goals.

Outside of the office, David volunteers his time to various activities for the Woodburn Lions Club and Monroeville Chamber of Commerce.

He is a graduate of Carroll High School and earned his bachelor's degree in finance/accounting from Indiana University. David lives in Fort Wayne with his wife Tiffany and son Griffin. 

Jonathan Jacoby Headshot

Jonathan Jacoby, ChFC, CLU
Financial Advisor

3610 River Crossing Parkway, Indianapolis, IN 46240
P 317.566.3115 |

Jonathan Jacoby joined the STAR Investment Services team in 2010. He is responsible for assisting clients in central Indiana in assessing and meeting their financial investment goals.

He has leant his experience to several area community organizations and actively spends time outside of the office volunteering for various community service activities.

He earned the designations of Chartered Financial Consultant and Certified Life Underwriter. Jonathan holds a bachelor's degree from Purdue University.

Securities and insurance products are offered through Cetera Investment Services LLC (doing insurance business in CA as CFGIS Insurance Agency), member FINRA/SIPC. Advisory services are offered through Cetera Investment Advisers LLC. Neither firm is affiliated with the financial institution where investment services are offered. Investments are: *Not FDIC/NCUSIF insured *May lose value *Not financial institution guaranteed *Not a deposit *Not insured by any federal government agency.

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