Van Dan Roland has an extensive career in sales and marketing, currently serving as the Sales Marketing Director at Schlumberger since February 1991. In addition, Van Dan Roland has been associated with Demark Limited, a manufacturer and supplier company established in 1998, since March 1999. At Demark Limited, the focus is on export/import, agency, and product sourcing services in the Middle East, particularly in Dubai, United Arab Emirates, with an emphasis on client packaging at OEM standard quality.
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