Task: Explanation
Input (English): Maximilian Büsser is a Swiss entrepreneur and founder of the avant-garde boutique watch brand MB&F (2005–present). Prior to MB&F he was the CEO of Harry Winston, Inc. Rare Timepieces (1998 - 2005) and a senior manager at Jaeger-LeCoultre (1991 - 1998). Büsser has lived in Dubai since 2014. Question: Maximilian Büsser is the senior manager at a company based in where?  Answer: Le Sentier, Switzerland
Output (English):  Prior to MBF he was the CEO of Harry Winston, Inc. Rare Timepieces 1998  2005 and a senior manager at JaegerLeCoultre 1991  1998.