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Sandra Vallejo is a highly experienced professional who has held various leadership roles in marketing, business development, and lab consultancy at ²ú¾±´Ç²Ñ¨¦°ù¾±±ð³Ü³æ and Roche Diagnostics. Sandra also has experience in coordinating the Cell Analysis Unit at Inmunolab Colombia Ltda. Sandra holds a degree in Microbiology from Universidad de Los Andes and has furthered their education with degrees in Business Administration and Strategic Sales & Marketing Management.