Original sentence: Virtually all of today's senior American Bujinkan practitioners began training during this time period, such as Jack Hoban, Bud Malmstrom, Mark Davis, Jean-Pierre Seibel, Courtland Elliott, and many more
Edited sentence: Virtually all of today's senior American Bujinkan practitioners began training during this time period, such as Jack Hoban, Bud Malmstrom, Mark Davis, Jean-Pierre Seibel, Courtland Elliott, and many, many more