ISTAT Appraisers

International Appraisers' Program Board of Governors

The ISTAT International Appraisers’ Program Board of Governors (IBG) has the responsibility to administer, oversee, modify standards and procedures of appraisal practice and the Code of Ethics, and govern the ISTAT Appraisal Program. It also has the responsibility of hearing, reviewing and ruling upon any disciplinary action which may have to be taken should a certified ISTAT appraiser be brought before the board for allegedly violating the rules, Code of Ethics or established appraisal practice standards and procedures.

The ISTAT Appraisers’ IBG shall be comprised of three certified ISTAT Senior or Fellow Appraisers (including the chairman) plus five additional members of ISTAT representing other interests such as leasing companies, banks, airlines, manufacturers, aircraft repair agencies, and aircraft brokers.

The Chairman must hold current ISTAT Senior Appraiser or Fellow status and have a minimum of ten years’ professional experience in the commercial aviation industry.

For more information on the appraiser program and the Board of Governors, please see the Appraisal Handbook.

Philip Seymour

Philip Seymour
Chairman, International
Appraisers' Program
Board of Governors - until March 2018

Chief Executive Officer
IBA Group, Ltd.
IBA House
7 The Crescent
Leatherhead, UK KT22 8DY
Tel: +
Fax: +

Bryson Monteleone

Bryson Monteleone - until March 2018
IBG Chairman Elect 
Marketing Director
Tailwind Capital Partners, Inc.
2203 Harithy Drive
Dunn Loring, VA 22027
Tel: +1.703.608.8058

Jeff Straebler

Jeff Straebler - until March 2018*
2836 Las Alturas 
Los Angeles, CA 90068
Tel: +1.203.595.1717

Jeff Lewis

Jeff Lewis- until March 2018*
Vice President - Aviation
Fortress Investment Group
2855 Le Jeune Road
4th Floor
Miami, FL 33134
Tel: +1.305.833.0309

Andy Carlisle

Andy Carlisle - until March 2019
Chief Operations Officer
The Harcourt Building
Harcourt Street
Dublin 2, Ireland
Tel: +353.86.6033.707

Ken Price

Ken Price - until March 2019*
Director - Aircraft Valuation
Boeing Capital Corporation
500 Naches Ave SW
3rd Floor
Renton, WA 98033
Tel: +1.206.407.4948

Rikard de Jounge

Rikard de Jounge - until March 2018
Vice President - Asset Valuation
14520 Avion Parkway
Suite 300
Chantilly, VA 20151-1114
Tel: +1.703.480.0568
Mobile: +1.571.230.9811
Fax: +1.703.860.5855

Mark Streeter

Mark Streeter, until 2019*
Managing Director
JP Morgan Securities, Inc.
383 Madison Avenue
3rd Floor, NY1-M209
New York, NY 10179
Tel: +1.212.834.5086
Mobile: +1.203.981.9535
Fax: +1.212.834.6601

Betsy Snyder

Betsy Snyder- until March 2019*
Standard & Poor's
55 Water Street
39th Floor
New York, NY 10041-0004
Tel: +1.212.438.7811
Fax: +1.212.438.7820



* Non-appraiser board member