Alex is a PhD student at the Harvard Paulson School of Engineering and Applied Sciences. He is currently working on developing new Proton Transfer Reaction Mass Spectrometer (PTR3) and implementing this instrument for measuring oxidized volatile organic compounds (OVOC) playing a major role in the initial steps of new particle formation. In 2017, he has conducted measurements at Forschungszentrum Jülich and participated in the PICAB campaign in the Netherlands. Alex joined Keutsch group in 2015 after earning B.S. and M.S. in Applied Physics and Math from Moscow Institute of Physics and Technology.