Richard Yost is the Robin & Jean Gibson Professor and Head of Analytical Chemistry at the University of Florida. He is recognized internationally as a leader in the field of analytical chemistry, particularly tandem mass spectrometry (MS/MS). He is best known for inventing the triple quadrupole mass spectrometer. He and his research group are currently focusing their efforts on imaging mass spectrometry and high-field ion mobility spectrometry (FAIMS). He has recently completed a sabbatical as Visiting Professor at ARUP at the University of Utah, focused on advancing the role of mass spectrometry in clinical analysis.