German Frers started as a draughtsman working in the office of his father, German Frers Sr., at the age of 15. In 1957 at the age of 16 he designed his first creation, a 10 m. offshore racing sailboat which was also the first one to be built in GRP in Argentina. In 1965 he moved to New York to work with the famous Sparkman & Stephens design group which were the leading naval architects in the field at that time. During three years spent with the firm contributed to several of their projects and become one of the principal in-house designers developing several models which became classics in their class. Left S&S in 1968 to continue his own career as a designer and while still living in New York designed 4 yachts - Beau Geste, Wizard of Paget, Quest of Paget and Simba- for American and Bermudian clients.

In 1970 moved back to Buenos Aires to take charge of the design office founded in 1928 by his father.

He has produced more than 600 designs, sail and power, cruising and racing from 20 to 200 feet megayachts, which are considered to be amongst the best in the world. The list of clients and yachts reads like the who’s who in yachting around the world, from Europe and Great Britain, North and South America, Japan, the Far East, Australia and New Zealand.
These designs have won all the major trophies in the world including Admiral’s Cup, Onion Patch, Bermuda Race, Transpacific,Whitbread Round the World Race, Sardinia Cup, Buenos Aires-Rio Race, S.O.R.C., Kenwood Cup, Copa del Rey, San Francisco Big Boat Series, Giraglia Race, Settimana delle Bocche, Two Ton Cup World Championship, Martini Middle Sea Race, Maxi World Championship, Nioulargue, etc.

In 1989 moved to Italy to lead the Moro di Venezia design team for the Challenge to the XXVII America’s Cup.
Il Moro di Venezia III won the first World Championship for the new America’s Cup Class in May 1991 and set the trends and parameters for all challengers and defenders to develop Il Moro di Venezia V was the winner of the Louis Vuitton Cup in the final against New Zealand and the right to challenge for the America’s Cup.

After the America's Cup experience, he decided to open his own Italian design office, run by his talented son.

More recently, he has been involved full time with the Italian Team competing for the America’s Cup, designing for the Prada Challenge, “Luna Rossa”, winner of the Louis Vuitton Cup and the right to challenge for the 2000 America’s Cup.

German Frers carries on also his collaboration as exclusive designer for the Finnish shipyard Nautor line of Swans, Hallberg-Rassy line of production cruisers, the Hylas line produced by Queen Long Marine, for the Carribean Yacht Charters USA line and Storebro in Sweden.