Definition of co-found in English:

co-found

verb

  • See co-founder

    • ‘In 1990, she co-founded the Dublin Self Advocacy Group to campaign for the rights of people with learning difficulties.’
    • ‘She followed this triumph by co-founding the Women's Medical College in a residential area of Toronto the same year her daughter graduated.’
    • ‘The publishing firm was co-founded by his father, John, in 1906.’
    • ‘He co-founded the investment fund which has recently pulled off a number of multi-million pound deals across the UK.’
    • ‘After co-founding the international non-profit group which brings high-tech volunteers to the developing world, she decided to focus her energies on her music.’