Christopher S. Drewry Authors Article for Modern Contractor Solutions March 2, 2017 04:18 PM IADC member Chris Drewry, a partner at Drewry Simmons Vornehm, LLP, authored an article titled "Contingent Payment Clauses: How to Make Them Viable" for Modern Contractor Solutions on behalf of the IADC. To read the article, click here. Back to news