Most people don’t become CFO of a national organization just one year out of Wesleyan—as a first job, no less—but Seth Halpern '09 did just that. A government major, he moved to Washington D.C. after graduation to look for employment, but the job market was difficult and a month later he was still unemployed. One morning at a local cafe he got to chatting with someone who said he worked at a software start-up, NationalField. Halpern admits that he’s always been “tech savvy” and the two hit it off. From there, he was introduced to the NationalField founders and he…