Niall Crosby, founder of data-processing software company AG Grid, left a will valued at €16.5 million after his death in a helicopter accident in July 2024. In July 2024, Niall Crosby, the founder of data-processing software company AG Grid, tragically passed away in a helicopter accident in Co Westmeath. The Probate Office has since revealed that Crosby left a will valued at €16.5 million. Crosby's innovative spirit led him to found AG Grid after noticing a gap in the market for such a product. The company's product, AG Charts Enterprise, launched in 2023, has further solidified its market position.Crosby's legacy lives on through AG Grid, which continues to innovate and grow under Masterson's leadership.