Complex sentence: In February 2007, after seeking employment with Carl Hester, he gave her some coaching and spotting her talent he offered her a job as a groom at his yard in Newent, Gloucestershire, where she has since remained.
Split into simpler sentences: In February 2007, after she sought employment with Carl Hester, he gave her some coaching. Spotting her talent, he offered her a job as a groom at his yard in Newent, Gloucestershire, where she has since remained.