| Doctoral era | Ph.D. in Biochemistry, Texas A&M University | College Station, Texas | Formation / deep scientific base | Supported by Columbia profile | Worked under Dorothy Shippen on telomere biology |
| Postdoc era | Postdoctoral research at NIH | Bethesda, Maryland | Research chapter before faculty | Supported by Columbia profile | Worked with Kiyoshi Mizuuchi |
| Faculty appointment | Joins Columbia University as Professor | New York, New York | Faculty origin / lab establishment | Supported by university profiles | Department of Biochemistry and Molecular Biophysics |
| 2000s-2010s | Develops DNA curtains technique | New York, New York | Technical innovation / methodology | Supported by Wikipedia, JoVE, publications | Pioneering single-molecule imaging method |
| 2014 | CRISPR-Cas9 DNA interrogation publication | New York, New York | High-impact research milestone | PubMed record with 1100+ citations | Fundamental CRISPR mechanism research |
| 2010s-present | RAD51 and homologous recombination research | New York, New York | Sustained research program | Research.com profile, publications | Genome stability and DNA repair focus |
| Present | Herbert Irving Comprehensive Cancer Center member | New York, New York | Cancer biology connections | Columbia Cancer Center profile | Bridging fundamental research to disease |
| Present | Greene Lab ongoing research | New York, New York | Current research program | Lab website, university profiles | Genome integrity and single-molecule biophysics |