My research deals with Doppler detection and characterization of extrasolar planets around low-mass main-sequence stars and evolved intermediate-mass stars such as G and K giants. My scientific focus is to study the dynamics of multiple exoplanetary and S-type planet-binary systems using direct N-body simulations. My goal is to estimate the planetary orbital parameters purely by dynamical constraints and to understand planetary formation and evolution. Besides the planetary dynamics research, I am interested in a broad range of astronomical observational and data reduction techniques and scientific software tools development.