Broker Check

Our People

Donald T. McKiernan

CEO and owner

A resident of Illinois, Mr. McKiernan has over 20 years of investment management experience, primarily as a Registered Representative with several Chicago area firms, including The Chicago Corporation, Oberweis Securities, and...

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Paul T. Pavelski

Financial Consultant

A resident of Illinois, Mr. Pavelski has been involved in the investment, banking, and trust industries his entire business career. Before joining Landolt Securities in September 2005, Mr. Pavelski was associated with Geneva Securities...

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William R. O'Connor

Chief Compliance Officer

Mr. OConnor has been a resident of Illinois his entire life and has worked at FINRA for over 18 years as a Compliance Specialist/Principal Examiner and obtained significant experience reviewing and analyzing member firms compliance...

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Michael A. Sebald

Financial Consultant (Oshkosh, WI)

Mr. Sebald began his career in financial services in 1985 as a life insurance agent with Prudential Insurance in the Sheboygan, WI area.


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Tyler J. Reinhard

Office Administrator and Financial Consultant (Oshkosh, WI)

Prior to joining Landolt Securities, Mr. Reinhard spent over 12 years working with small businesses in the areas of operations management, information systems, customer service, and bookkeeping.  Tyler joined Landolt Securities...

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Jason N. Slezak

Financial Consultant (Oshkosh, WI and Antioch, IL)

Mr. Slezak has been a Registered Representative working in Institutional and Retail Brokerage segments for over 15 years. He is a member of Omicron Delta Epsilon International Economics Honorary Society, and graduated from the...

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Janice M. Villwock

Operations Manager (Oshkosh, WI)

Janice has been with Landolt Securities since the firm started in 1991, and has been working in the operations area of the securities business since 1971. Previous firms include Thomsen-McKinnon and Howe Barnes.

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Karen J. Dunham

Office Administrator (Antioch, IL)

Cynthia R. Cox

Operations Manager and Financial Consultant (Antioch, IL)

Cindy started in the securities business in 1992 and earned her Series 7 in 1993. Prior firms include La Salle Street Securities, New England Securities, and Oberweis Securities.

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