Leadership
Ryan leaders are focused on results and consistently exceed client expectations. We are thought leaders in various areas of expertise, and we bring this first-hand knowledge to our clients. While maintaining high professional standards, we are accessible, responsive, and ready to become part of your team.
Meet Our Leaders
The Executive Team is comprised of professionals from across our global network and includes the leaders of our regional areas, functional areas, and practice lines. The Board of Managers is our senior management body that focuses on strategy and execution, bringing together all elements of our Global Network.

G. Brint Ryan
Chairman and CEO, Ryan

Ginny B. Kissling
Global President and Chief Operating Officer, Ryan

Gerry L. Ridgely, Jr.
EVP and Vice Chairman, Emerging Businesses

James M. Trester
Principal, Client Services

Doug Deason
President of Deason Capital Services, LLC

Kevin Hassett
Vice President and Managing Director, The Lindsey Group

Amir Motamedi
Managing Director, Onex Partners

Anthony Munk
Senior Managing Director, Onex Partners

Ashok Nayyar
Founder and Chief Investment Officer – MC Credit Partners LP

Lee A. Spirer
President and CEO, CIBT Global

Damon N. Chronis
President, U.S. Operations

Suzanne C. den Breems
Principal and Practice Leader, Europe,
Value-Added Tax

Brendan F. Moore
President, Ryan International

Garry Round
President, Canadian Operations

Jon C. Sweet
President, European and Asia-Pacific Operations

Michael Abbatemarco
Principal,
Property Tax

Jeremy C. Abel
Principal,
Severance Tax

Michael Allen
Principal,
Property Tax

Stephen J. Allen
Principal,
Transaction Tax

Janet L. Askenburg
Principal, Client Services

Erin Baldwin
Principal,
Tax Technology

Todd E. Behrend
Principal,
International Tax

Cherif Belkouche
Principal and Regional Leader,
Property Tax

Mark W. Bennett
Principal,
Transaction Tax

Jeffery S. Binkley
Principal,
Property Tax

Susan T. Bittick
Principal,
Ryan Advocacy

Nathan Bittner
Principal,
Fuels and Excise Tax

Ian Boccaccio
Principal,
International Tax
Practice Leader

Zachary Bollinger
Principal,
Transaction Tax

Robyn Bowen
Principal,
Property Tax

Karen S. Breaux
Principal,
Property Tax

Kristi Bryant
Principal, Vice Practice Leader,
Transaction Tax

Steve Buck
Principal,
Property Tax

Kelly S. Butler
Principal,
Transaction Tax

Kevin Cappock
Principal,
Employment Tax
Practice Leader

Brian Cardinal
Principal, Scientific Research and Experimental Development

Lanie A. Carson
Principal,
Transaction Tax

Tony Chavez
Principal,
Ryan Software

Damon N. Chronis
President, U.S. Operations

Julie Chronis
Principal,
Transaction Tax

Joshua D. Cohen
Principal,
Transaction Tax
Practice Leader

Jeffrey D. Cole
Principal,
International Tax

Dustin S. Davis
Principal,
Transaction Tax

Alan Decker
Principal and Vice Practice Leader,
Transaction Tax

Suzanne C. den Breems
Principal and Practice Leader, Europe,
Value-Added Tax

Douglas J. DeRito
Principal, Client Services

Timothy Dinh
Principal,
Property Tax

Randy W. Donald
Principal,
Transaction Tax

David A. Douglas
Principal,
Scientific Research and Experimental Development

Steven R. Dudgeon
Principal,
Severance Tax

Chad Dunkin
Principal,
Transaction Tax

James R. Eads, Jr.
Principal,
Ryan Advocacy

Mark W. Eidman
Principal,
Ryan Advocacy

Mark H. Ely
Principal,
Federal Income Tax

Aaron Evans
Principal,
Transaction Tax

Owen R. Evans
Principal,
Tax Compliance
Practice Leader

Rodrigo Fernandez
Principal,
International Tax

John R. Ferrell
Principal,
Property Tax

Neil Fett
Principal, Client Services

Michael Finnegan
Principal,
Property Tax

Zachary L. Fleming
Principal,
Property Tax

Bryan W. Forsythe
Principal,
Transaction Tax

Trisha C. Fortune
Principal,
Transaction Tax

Richard D. Fosburg
Principal
Practice Leader

Robert Gagne
Principal,
Property Tax
Practice Leader

Walter Gardisch
Principal,
Customs Duty

Ian Gray
Principal,
International Tax

Sam Guevara
Principal,
Tax Technology
Practice Leader

Tony Gulotta
Principal,
Transaction Tax

Andy Hammons
Principal, Client Services

Susan Han
Principal,
Abandoned and Unclaimed Property

Paul E. Harris
Principal,
Property Tax

Marc Hartley
Principal, Regional Leader,
Property Tax

Kenneth M. Hartman
Principal,
Property Tax

Alan M. Heichman
Principal,
Property Tax

Jeff Henshall
Principal,
Abandoned and Unclaimed Property

Nigel Hoyle
Principal,
Tax Technology

Steven Hsu
Principal,
Transaction Tax

Jennifer Ivanelli
Principal,
Property Tax

Christopher S. Jensen
Principal,
Abandoned and Unclaimed Property

Robert D. Jones
Principal, Client Services

Landon Julius
Principal,
Transaction Tax

Paula Kalogritsas
Principal,
Property Tax

Karl Kehoe
Principal,
Property Tax

Sean P. Kiley
Principal,
Transaction Tax

Shawn M. King
Principal,
Property Tax

Clara Kippes
Principal and Vice-Practice Leader,
Transaction Tax

Ginny B. Kissling
Global President and Chief Operating Officer, Ryan

Brett Koch
Principal,
Property Tax

Dennis J. Kolumber, Jr.
Principal,
Transaction Tax

Kenneth D. Kotch
Principal,
Captive Insurance
Practice Leader

Luke G. Krieger
Principal,
Transaction Tax

Helen Lemmon
Principal, Client Services

Kurt Lieberman
Principal,
Property Tax

Thomas Loban
Principal,
Property Tax

Bryson Lord
Principal,
International Tax

Mark LoRusso
Principal,
Property Tax

Erica Love
Principal,
Transaction Tax

John P. Lyon
Principal,
Transaction Tax

Suzanne Markley
Principal,
Property Tax

Michael J. Martens
Principal,
State Income and Franchise Tax

Maher Maso
Principal,
Credits and Incentives

Kevin McCune
Principal,
Property Tax

Richard McKeown
Principal, Business Development Services,
Crown Royalty

Raymond T. Melone
Principal,
Transaction Tax

David Miller
Principal,
Federal Income Tax

Jeff Miller
Principal,
Ryan Advocacy
Practice Leader

Jun Miyake
Principal,
Tax Technology

Joe Molina
Principal,
Property Tax

Shane Moncrief
Principal,
Property Tax
Practice Leader

Brendan F. Moore
President, Ryan International

Jeff Moore
Principal,
Property Tax

Melissa Munoz
Principal,
Credits and Incentives

Angela D. Myers
Principal,
Tax Technology

Mark L. Nachbar
Principal, National Tax

David Nemes
Principal, Client Services

Allea Newbold
Principal,
Credits and Incentives

Gary Newell
Principal and Senior Vice President, Corporate Development

Jeff Nolan
Principal,
Property Tax

Thomas Novosad
Principal,
Property Tax

Greg Odell
Principal,
Property Tax

Susan Orloff
Principal,
Property Tax

Mark A. Paolillo
Principal,
Abandoned and Unclaimed Property
Practice Leader

William T. Pardue
Principal,
State Income and Franchise Tax

Camilo Paredes
Principal,
Tax Technology

James R. Payerle
Principal,
Transaction Tax

Whit Pepper
Principal, Client Services

Michelle Pink
Principal,
Property Tax

Matthew W. Poling
Principal,
Property Tax

John M. Polizzi
Principal, Client Services

Winston Z. Post
Principal,
Transaction Tax

Cutchin Powell
Principal,
Property Tax

Kevin S. Powell
Principal,
Transaction Tax

David E. Pustejovsky
Principal,
Fuels and Excise Tax

Gerard Quinlan
Principal,
Transaction Tax

Trenton Read
Principal,
International Tax

Holly Reed
Principal,
Ryan Advocacy
Practice Leader

Timothy Reichert
Principal,
International Tax

Zachary L. Reif
Principal,
Transaction Tax

Scott B. Retzloff
Principal,
Property Tax

Gerry L. Ridgely, Jr.
EVP and Vice Chairman, Emerging Businesses

Bob Rosato
Principal,
State Income and Franchise Tax

Noelle Rouhana
Principal,
Property Tax

Garry Round
President, Canadian Operations

Gary Rucker
Principal,
Property Tax

G. Brint Ryan
Chairman and CEO, Ryan

Kory Ryan
Principal,
Ryan Advocacy

Matthew Scherer
Principal and Vice Practice Leader,
Transaction Tax

Clyde Seymour
Principal,
Income Tax

Teresa Sharp
Principal,
Property Tax

Robert A. Sheehan
Principal,
State Income and Franchise Tax

Sean Shore
Principal and Regional Leader,
Property Tax - Complex

Vance Shull
Principal,
Property Tax

Jamie Sieffert
Principal,
Property Tax

Jordan Simms
Principal,
Insurance Tax

Grant Smith
Principal,
Tax Technology

Eric L. Stein
Principal,
State Income and Franchise Tax

Brian E. Stromen
Principal and Practice Leader, National Tax

Jon C. Sweet
President, European and Asia-Pacific Operations

Samuel Tae
Principal, International Income Tax

Michael Tenini
Principal,
Transaction Tax

Imran Thobani
Principal,
Property Tax

Steve Thompson
Principal,
Property Tax - Commercial

Jonathon D. Travis
Principal,
Severance Tax

Matt R. Travis
Principal and Global Practice Leader,
Severance Tax

James M. Trester
Principal, Client Services

Jeff Tuthill
Principal and Regional Leader,
Property Tax

Perry J. Urken
Principal,
International Tax

Kimberly van Vliet
Principal and Regional Leader,
Property Tax

Mary Vaughn
Principal,
Property Tax

Brian Vincent
Principal,
International Tax

David L. Veeder
Principal,
Federal Income Tax

Brad Wallace
Principal,
Property Tax

Trey Weaver
Principal,
Property Tax

Sharon M. Welhouse
Principal,
Credits and Incentives
Practice Leader

Michael Zarlengo
Principal, Client Services

Tony Bridwell
Senior Vice President, Chief People Officer

Ray Ann Cacheria
Senior Vice President, Chief Information Officer

John Cowan
Senior Vice President, Chief Strategy Officer

Melissa Drennan
Senior Vice President, Chief Legal Officer

Tom Gray
Senior Vice President and Chief Marketing Officer

Brooke Keene
Senior Vice President, Chief Experience Officer

Joe Mileti
Senior Vice President, Corporate Development

David Oldani
Senior Vice President, Chief Financial Officer

Robert Wertz
Senior Vice President, Chief Real Estate Officer

Garry Round
President, Canadian Operations

Cherif Belkouche
Principal and Regional Leader,
Property Tax

Brian Cardinal
Principal,
Scientific Research and Experimental Development

Jim Day
Director, Client Support Services,
Sales Tax

Timothy Dinh
Principal,
Property Tax

David A. Douglas
Principal,
Scientific Research and Experimental Development

Michel Ducharme
Director,
Sales Tax

Robert Gagne
Principal,
Property Tax
Practice Leader

Louis Galvao
Vice President, Finance and Corporate Services

Walter Gardisch
Principal,
Customs Duty

Paula Kalogritsas
Principal,
Property Tax

Richard McKeown
Principal, Business Development Services,
Crown Royalty

David Nemes
Principal, Client Services

Gary Newell
Principal and Senior Vice President, Corporate Development

Michelle Pink
Principal,
Property Tax

Clyde Seymour
Principal,
Income Tax

Sean Shore
Principal and Regional Leader,
Property Tax - Complex

Sandra P. Smith
Director,
Sales Tax

Kimberly van Vliet
Principal and Regional Leader,
Property Tax