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Past Presidents

Michael Bixby
2025 - 2026
Adam Gana
2024-2025
Joseph C. Peiffer
2023-2024
Hugh D. Berkson
2022-2023
Michael Edmiston
2021-2022
David Meyer
2020-2021
Samuel Edwards
2019-2020
Christine Lazaro
2018-2019
Andrew Stoltmann
2017-2018
Marnie C. Lambert
2016-2017
Hugh D. Berkson
2015-2016
Joseph C. Peiffer
2014-2015
Jason Doss
2013-2014
Scott C. Ilgenfritz
2012-2013
Ryan K. Bakhtiari
2011-2012
Peter J. Mougey
2010-2011
Scott R. Shewan
2009-2010
Brian N. Smiley
2008-2009
Laurence Schultz
2007-2008
Steven B. Caruso
2006-2007
Robert S. Banks, Jr.
2005-2006
Rosemary Shockman
2004-2005
Charles W. Austin, Jr.
2003-2004
J. Pat Sadler
2002-2003
Philip M. Aidikoff
2001-2002
Seth E. Lipner
2000-2001
Mark E. Maddox
2000-2000
Joseph C. Long
2000-2000
James E. Beckley
1999-1999
Mark E. Maddox
1998-1999
Diane Nygaard
1997-1998
Rosemary Shockman
1996-1997
L. Jerome Stanley
1995-1996
Seth E. Lipner
1994-1995
J. Boyd Page
1993-1994
Robert Dyer
1992-1993
Stuart Goldberg
1990-1992

Hear what our members say about PIABA.

See how PIABA has helped protect others in investment disputes within the securities industry.

“The resources and networking opportunities provided by PIABA have been instrumental in my career development. When I was new to the practice, I was surrounded by mentors and friends who were always willing to help. Over the 12+ years I have been a member, PIABA has consistently been my most valuable support. As an experienced lawyer, PIABA offers leadership roles and opportunities to give back by mentoring the next generation of attorneys in this area. You won’t regret getting involved.”
Meyer Wilson Werning
Courtney M. Werning, Esq. | Principal
“I have been a PIABA member since the year of its founding in 1991. For 33 years PIABA has been an unparalleled source of information and ideas, and remains an integral part of my law practice. More important, I count many of its members as my friends. PIABA has greatly enriched my life, both professionally and socially.”
Leonard Steiner
STEINER & LIBO
“Piaba has been instrumental to the growth of my career. I have made lifelong friends and have attended every annual meeting for the last 15 years. The list-serve, the dedication of its members and its national reach is the gold standard for any bar association.”
Gana Weinstein
Adam J. Gana | Managing Partner
“PIABA is the greatest bar association I have had the privilege of being a part of. PIABA and its membership have been instrumental in my growth and development as a securities litigation attorney in representing and fighting for investors. As a member of PIABA you will find many attorneys across the country who are willing to help you from sharing practice tips to arguments. There is no organization doing more good for the investing public than PIABA.”
Michael C. Bixby
Bixby Law PLLC | Founder & Managing Attorney
1300 McGee Dr Ste. 112, Norman, Oklahoma 73072 1.888.621.7484
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Michael Bixby

President
Years Served: 2025 - 2026

Adam Gana

President
Years Served: 2024-2025

Joseph C. Peiffer

President
Years Served: 2023-2024

Hugh D. Berkson

President
Years Served: 2022-2023

Michael Edmiston

President
Years Served: 2021-2022

David Meyer

President
Years Served: 2020-2021

Samuel Edwards

President
Years Served: 2019-2020

Christine Lazaro

President
Years Served: 2018-2019

Andrew Stoltmann

President
Years Served: 2017-2018

Marnie C. Lambert

President
Years Served: 2016-2017

Hugh D. Berkson

President
Years Served: 2015-2016

Joseph C. Peiffer

President
Years Served: 2014-2015

Jason Doss

President
Years Served: 2013-2014

Scott C. Ilgenfritz

President
Years Served: 2012-2013

Ryan K. Bakhtiari

President
Years Served: 2011-2012

Peter J. Mougey

President
Years Served: 2010-2011

Scott R. Shewan

President
Years Served: 2009-2010

Brian N. Smiley

President
Years Served: 2008-2009

Laurence Schultz

President
Years Served: 2007-2008

Steven B. Caruso

President
Years Served: 2006-2007

Robert S. Banks, Jr.

President
Years Served: 2005-2006

Rosemary Shockman

President
Years Served: 2004-2005

Charles W. Austin, Jr.

President
Years Served: 2003-2004

J. Pat Sadler

President
Years Served: 2002-2003

Philip M. Aidikoff

President
Years Served: 2001-2002

Seth E. Lipner

President
Years Served: 2000-2001

Mark E. Maddox

President
Years Served: 2000-2000

Joseph C. Long

President
Years Served: 2000-2000

James E. Beckley

President
Years Served: 1999-1999

Mark E. Maddox

President
Years Served: 1998-1999

Diane Nygaard

President
Years Served: 1997-1998

Rosemary Shockman

President
Years Served: 1996-1997

L. Jerome Stanley

President
Years Served: 1995-1996

Seth E. Lipner

President
Years Served: 1994-1995

J. Boyd Page

President
Years Served: 1993-1994

Robert Dyer

President
Years Served: 1992-1993

Stuart Goldberg

President
Years Served: 1990-1992
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I affirm that I am in compliance with eligibility requirements for a PIABA members as outlined in Article IV Section 3 of the PIABA Bylaws.
This provision states: Section 3.
Eligibility.
(a) A person shall be eligible for Regular Membership upon satisfaction of all of the following criteria:

(1) Demonstration of their status as an attorney at law and a member in good standing of the bar of any state or U.S. territory; and

(2) At least 80 percent of their legal and professional work as an attorney or as an expert witness involving securities industry/customer disputes is performed on behalf of customers, and at least 80 percent of their law firm’s legal and professional work as an attorney or as an expert witness involving securities industry/customer disputes is performed on behalf of customers. For purposes of determining whether a person meets this requirement:

a. “Securities industry/customer disputes” shall mean disputes between investors, on the one hand, and any one or more of the following, on the other: securities and commodities industry participants (licensed or unlicensed), securities issuers, financial counselors, and persons alleged to have liability for the acts or omissions of any of the foregoing.

b. The percentage of the Regular Member’s or prospective Regular Member’s work and the percentage of their law firm’s work in securities industry/customer disputes shall be the percentage of hours spent rather than the percentage of revenues generated or any other measure; and the relevant time period for determining that percentage shall run from the date twelve months preceding the date on which the determination is made to the date on which the determination is made, inclusive.

If the prospective Member is an employee of or partner with a Regular Member in good standing, the time period for determining the percentage shall run from the date of hire or entry into partnership, so long as at least six months have passed between that date and the date of application. The prospective Member’s work performed before joining the existing Member’s firm will not be taken into consideration when determining the existing Member’s continued eligibility during the first six months of the prospective Member’s employment by or partnership with the existing Member. The prospective Member’s work performed while employed by or partnered with the existing Member shall be taken into consideration in determining the existing Member’s continued eligibility.

(b) Subject to approval by the Board, a person who does not represent investors in the United States shall be eligible for Regular Membership if that person is a Member in good standing of the legal profession in a nation outside of the United States and meets the requirements of Section 3(a)(2) above.

(c) If, at the time of application for membership, an attorney does not represent any customers in securities industry/customer disputes, the attorney shall be eligible for Regular

Page 2 of 21 PIABA Bylaws, Adopted [May 15, 2024]

Membership, provided that neither the attorney nor the attorney’s law firm, at the time of application for membership, or in the 12 months prior to application, is performing or performed any legal or professional work, including work as an attorney or as an expert witness, in a securities industry/customer dispute against a customer. Further, if admitted pursuant to this paragraph, upon the Attorney’s acceptance any legal and professional work, including work as an attorney and as an expert witness, in a securities industry/customer dispute, the Attorney shall certify compliance with Section 3(a)(2).

(d) The eligibility requirements for the five other classes of Membership are set forth in Article IV, Sections 5 through 9.

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