大衛‧勒凡是紐約市立大學柏魯克分校(Baruch College-CUNY)統計與電腦資訊系統榮譽教授,他擁有紐約市立大學B.B.A.和MBA學位,以及紐約大學工業工程與作業研究的博士學位。他是全美商業統計教育的領先創新者,是《寫給管理者的基礎商業統計學》(Statistics for Managers Using Microsoft Excel, Basic Business Statistics: Concepts and Applications, Business Statistics: A First Course)以及《工程與科學的應用統計學:使用Microsoft Excel與Minitab》(Applied Statistics for Engineers and Scientists Using Microsoft Excel and Minitab)等暢銷統計教科書的共同作者。
萊溫曾在Psychometrika, The American Statistician, Communications in Statistics, Multivariate Behavioral Research, Journal of Systems Management, Quality Progress以及The American Anthropologist等期刊發表過許多文章,也曾在American Statistical Association, Decision Sciences Institute以及Making Statistics More Effective in Schools of Business等論壇上發表演說。萊溫因教學傑出在紐約市立大學柏魯克分校多次獲獎。
史蒂芬經常參與Making Statistics More Effective in Schools of Business的迷你論壇,也是《商業統計學》(Business Statistics: A First Course and Statistics for Managers Using Microsoft Excel)一書的作者。他也是PHStat的共同開發者,PHStat是一套Microsoft Excel的統計外掛程式。