Nita Clarke is the Director of the Involvement and Participation Association (IPA). She was vice-chair of the MacLeod Review on employee engagement and continues to work with David MacLeod and the Department for Business on implementing the report's recommendations.

She was formerly the adviser on trade unions to Prime Minister Tony Blair, working as assistant political secretary in the Political Office at 10 Downing Street from January 2001 to June 2007. Her role included liaison with individual unions and the TUC, developing national policy in areas such as the two-tier workforce and work-life balance, supporting ministers by trouble-shooting in industrial disputes. Nita was a senior official with public services union UNISON from 1992 -2001. She is the author of the report The way forward: trade unions and the third sector, commissioned by ACEVO.