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Tas is a transformation strategist with 30+ years in HR, business strategy, and organization design.  He has led global change across top firms like Dow, GM, and Siam City Cement—based in Asia and Zurich. Founder of TAS Consulting, he advises CEOs on performance, talent, and cultural shifts. 

 

He holds executive credentials from Harvard, INSEAD, IMD, and Berkeley, with expertise across strategy, HR, and transformation. He also sits on national advisory boards shaping Thailand’s business, education, and innovation landscape.

TAS

Chantree

Founder & MD

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Professional

TAS Consulting Partner      

Siam City Cement    

Lafarge Holcim

Siam City Cement

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Sony

General Motors

Dow Chemical

Ministry of Labor

Founder

Chief HR Officer

Regional HR director (SA & SEA)

Learning & Development Director

Recruitment Director

Employee Relation Manager

Training Manager

Training Specialist

HR Specialist

Government Officer

Education

Advanced Management Program #183                                         Harvard Business School, USA

 

Managing of People,

INSEAD, France

 

Certified Executive Coaching,

University of California, Berkley, USA

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Executive Management Development Program,

IMD, Switzerland

 

MA, Communication Research
Thammasat University

 

MPA, Human Resources Management
National Institute of Development Administration

 

BA, Social Administration                                                              Thammasat University

CONTACT TAS

888/143  Mahatun Plaza  Floor 14th 

Ploenchit  Lumpini  Patumwan

Bangkok  10330

+66 81 8117476

© 2017 - 2025 by TAS Consulting Partner

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