Mr. Jeffery brings nearly 30 years of operational expertise and leadership in the telecommunications industry. Most recently, he served as CEO of Vodafone UK, a leading wireless and wireline operator, overseeing one of Vodafone Group Plc's largest businesses through a successful four-year customer-centric turnaround and transformation. During his tenure, Vodafone UK returned to revenue and market share growth and achieved improvements to its net promoter score, churn and wider customer and employee satisfaction. Vodafone UK also reduced its operating expenses, delivered significant EBITDA growth, increased its free cash flow and became the fastest growing home broadband provider in the UK. Mr. Jeffery also spent over a decade at Cable & Wireless, one of the world's largest wireline companies, where he led the UK and international markets business units.