Effective Communication ESD’s methodology and project management system ensures proactive and timely communications with customers, within a structured project framework. ESD uses a multitude of communication tools: CTPS, instant messaging, e-mail, voice communication, net-to-meeting, WebEx, VPN, and demo environments, to share and communicate regarding the project. “The official language” of ESD is English. All employees are required to speak and write fluent English while on the company premise. » back