He will be joined by sports scientist Professor Greg Whyte and maths genius David Thomas as headline speakers.
The GCA annual conference will take place from January 25 until 28, 2015 at the De Vere Carden Park in Chester.
Gaskell turned Porsche UK around in five years into the UK’s most profitable car company.
In 1995, he took on the role of managing director at Lamborghini GB, and in 1996 he moved to BMW (GB) as managing director, growing sales by 40 per cent and profitability by 500 per cent.
After leaving BMW in 2000, Gaskell was a pioneer in the online sale of cars founding CarsDirect.com (Europe). He is also chairman of Dorney Court Walled Garden.
He has also been to the North and South Poles to raise money for Cancer Research.
Whyte has led 18 Celebrity Comic Relief Challenges raising more than £33 million for charity, and will be speaking at the conference on Monday, January 26.
Thomas is world record holder in recounting Pi decimal places.
Roger Martin-Fagg, an economist turned strategist, will also speak.