Estefanía Knuth Marten was born in Barcelona in 1973. She earned a Bachelor’s degree in Business Administration from the E.R.I. University (1993–1994). Subsequently, she completed the Accounting and Finance for Non-Financial Managers program at the IESE Business School (2016) and obtained her Co-Active Coaching certification from the Coaching Academy of Barcelona (2014).

Since 2015, Ms Knuth has served as Executive Director of Vallés S.L., a real-estate company, where she oversees business strategy, operations management and financial supervision, and leads the pursuit of new business and investment opportunities.

From 2010 to 2014, she was a member of the Women’s Committee and Captain of the Spanish National Women’s Golf Team at the Royal Spanish Golf Federation. For over a decade (1986–1999), she competed as a professional golfer, achieving numerous titles, including the Singapore Open (1995), the Orange Trophy World Individual Championship in the United States (1989), and the Spanish Individual Championships (1992 and 1993). She was also a member of the LPGA in the United States (1997), team world champion in Canada (1992), and a gold medallist at the Mediterranean Olympic Games held in France (1993).