[ ![Dr. Jonathan E. Franklin headshot](/sites/default/files/2024-07/Jonathan-Franklin.jpg) ](/node/80) 

 [ Dr. Jonathan E. Franklin ](/node/80) 

 Senior Scientist, Harvard University 

Jonathan is the Deputy Science Principal Investigator and Instrument Principal Investigator for MethaneSAT and is leading the calibration activities for the mission. He is a senior scientist at the School of Engineering and Applied Science at Harvard specializing in remote-sensing of methane and carbon dioxide. He also operates the Boston regional greenhouse gas column network which provides validation data to Earth observing satellites.