Gregory L. Jeffrey leads annual medical missions to Latin America to improve the lives of thousands of residents in need. Each trip to Honduras and El Salvador requires one year of planning and a team as large as 70 volunteers and medical professionals. The North Webster, Ind., resident has been a member of the Fort Wayne Central Lions Club since 1985 and has lead the missions since 2004, performing 2,000 vision exams and nearly 200 eye procedures.