Charlie Sim is a professional in their field. They is proficient in English. Colleagues describe them as " Charlie is fantastic to work with, an excellent communicator at all levels, someone who inspires trust in everyone he interacts with and what I love most is he has a challenging mindset to always help answer the “so what” from a customers perspective. Charlie is someone I would highly recommend without hesitation, an asset to any team or business. " and "Charlie is professional and a very capable consultant. He has excellent communication and stakeholder management skills. He created good working relationships across the programme and throughout the company, and diplomatically facilitated the resolution of some complex issues for us. I enjoyed working with Charlie, and would like to work with him again."