Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Not only will it lead to discrimination in favour of younger workers below 25 and companies employing fewer staff, business leaders such as Simon Emeny of Fuller, Smith & Turner, and Tim Martin of JD Wetherspoon are predicting it will lead to pub closures.

Answer: employer: Tim Martin, Wetherspoon