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BALKE & PARTNERS

The Network for
Natural Stone Experts

INTRO

Welcome to the Our Experts section of Balke & Partners, where we proudly introduce the skilled professionals behind our global natural stone network. Each expert in our team brings years of experience and specialized knowledge in quarry management, stone processing, and the international stone trade. Browse through our network to view detailed profiles, contact information, and areas of expertise, ensuring you have direct access to the right specialist for your project needs. 

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Markus Balke

Cologne, Germany

P +49 221 168 18 990

mbalke@balkepartners.com

Founder Balke & Partners

Expert worldwide​

Regional Director Europe

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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Joseph Sam 

New Delhi, India

P +91 98103 19111

josephsam@balkepartners.com

Expert Partner

 

Regional Director South and East Asia

 

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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J. Jorge Villaseñor  Cabral

Durango Mexico 

P +52 618 182 4761 
jorge.villasenor@balkepartners.com

Expert Partner worldwide

 

Gold and Silver Deposits - Mining Engineer and Metallurgist

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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Dr.-Ing James Varela

Porto Alegre, Brazil 

M +49 178 110 7591

portuguese@balkepartners.com 

Expert Partner


Regional Director
South America and Lusophone countries

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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Ajit Kumar

Hong Kong, Central District  
P +852 93270117  

hongkong@balkepartners.com

Finance & Business Development

Expert

 

Partner East and North Asia, China, Hong Kong, Macau, Japan, Mongolia, North Korea, South Korea and Taiwan

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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Marilena Sidiropoulou 

Thessaloniki, Greece 

P +30 694 696 9814

marilena@balkepartners.com

Expert Partner

Country Director Greece 

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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Eduardo M. Zavala

Mexico City 

P +52 998 370 3101

mexico@sevendecantera.com

Expert Partner


Regional Director  
Mexico and Hispanic countries, South America 

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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Henning Roger Gravdal

Porsgrunn/Oslo, Norway

P +4795238877

scandinavia@balkepartners.com

Finance & Strategic Management 

Geologist, Expert for Concrete Technology and Mineral Processing 

Regional Director Scandinavia 

Norway, Denmark, Sweden and Finland

Director and Founder of Balke & Partner network with currently more than 200 experts in stone business and associated fields established in August 2010.​ Orator at World-Stone Congresses, international conventions and fairs.Xiamen/China  - Middle East Big 5 Dubai/UAE - Verona/Italy and many more. ​ Member of  IMC Institute of Managements Consultants USA Member of APC Association of Professional Consultants Member of National Stone Association NSI ​ Inventor of quarry portal – the worldwide one and only portal to buy and sell quarries and natural resources - since 5/2010  www.quarryforsale.com www.steinbruchverkauf.de

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