He is an all-around professional who excels in both programming and customer relations.

all-around 是由 all（全部）和 around（围绕）组成的复合形容词，字面意思是"全方位的"，引申为"全能的、多才多艺的"。 professional 是名词，指"专业人士"或"职业人士"。 all-around professional 指"在多个领域都表现出色的专业人士"，即"全能型人才"。