Mr. Wietlisbach founded Partners Group in 1996 with Alfred Ganter and Marcel Erni. The company is a leading global private markets investment manager. Since 1996, Partners Group has invested over USD 135 billion in private equity, private real estate, private debt and private infrastructure on behalf of its clients globally.

Since 2005, the firm’s assets have increased from $6 billion to $96 billion. In H1 2020 alone, Partners Group invested over $4.3 billion, and increased its assets under management by over $2 billion. Partners Group also received USD 8.3 billion in new commitments from its global client base across all private markets asset classes in the six-month period ending 30 June 2020.

Most recently, the firm invested in two European real estate portfolios worth €500 million with 170,000 square meters of leasable area. In October, the firm acquired a significant equity stake in Telepass S.p.A ("Telepass" or "the Company"), a leading electronic toll collection ("ETC") services provider in Europe. The stake values Telepass at over €2 billion.

In 2018, Partners Group committed to invest AUD 700 million to develop Grassroots Renewable Energy Platform ("Grassroots"), a large-scale platform that aims to construct over 1.3GW of new wind power, solar power and battery storage assets across Australia within the next four years.

Prior to Partners Group, Urs Wietlisbach worked at Credit Suisse and Goldman Sachs. Mr. Wietslibach holds a Masters degree in Business Administration from the University of St. Gallen in Switzerland.