Nicholas William Peter Clegg is a retired politician and the current President for Global Affairs at Meta Platforms, Inc. From 2010 to 2015, he was Deputy Prime Minister of the United Kingdom. He was also the Leader of the Liberal Democrats from and a Member of Parliament for Sheffield Hallam. From 1999 until 2004, he was the Member of the European Parliament for East Midlands. He also attended World Economic Forum meetings.

His paternal grandmother, Baroness Kira von Engelhardt, was a descendant of the of the elite Engelhardt bloodline, a Baltic-German nobility family. The founder of the Engelhardt dynasty, Carl Bernhard von Engelhardt, served as a knight in the Third Crusade. He supposedly received the surname Engelhardt ('angelic strength') for saving the life of the French king Philip II Augustus during the Siege of Acre. The family has held a nobility status in both Germany and Russia. The Russian branch of the family produced several high ranking like General Grigori Engelhardt and General Christoph von Engelhardt. Other members of the family were prominent in Russian politics.

Nick Clegg at weforum.org:
https://www.weforum.org/people/nick-clegg/

President, Global Affairs, Meta

Sir Nick Clegg is President, Global Affairs at Meta. He joined the company, then called Facebook, in 2018 after almost two decades in British and European public life. Prior to being elected to the UK Parliament in 2005, he worked in the European Commission and served for five years as a member of the European Parliament. He became leader of the Liberal Democrat party in 2007 and served as Deputy Prime Minister in the UK’s first coalition government since the war, from 2010 to 2015. He has written two best-selling books, Politics: Between the Extremes and How To Stop Brexit (And Make Britain Great Again).

https://en.wikipedia.org/wiki/Engelhardt_family