Ph. D. 1971, University of California, Los Angeles; Diplom 1968, University of G�ttingen, Germany

- Professor Emeritus, University at Albany (2015 - )
- Professor, University at Albany (1983 - 2014), Chair of the Department 1992 - 1994.
- Visiting Assistant Professor, University of Washington (1975/76)
- University at Albany (1973 - )
- J.W. Gibbs Instructor, Yale University (1971 - 73)

- Mathematical Sciences Research Institute, Berkeley (1996)
- Universitad Autonoma de Barcelona (1989)
- Mittag-Leffler Institute, Stockholm (1988)
- Max Planck Institut f�r Mathematik, Bonn (1984, 1986)
- University of Bonn (1980)

- 2004 The Lester R. Ford Award of the Mathematical Association of America, in recognition of the publication of a noteworthy expository article in the American Mathematical Monthly
- 2001 Distinguished Lecturer, Frontiers in Mathematics Lecture Series, 3 lectures, Texas A&M University
- 2001 Invited Lecturer at the Memorial Conference of Kiyoshi Oka's Centennial Birthday, Kyoto, Japan
- 1994 Project Director for NSF/CBMS Regional Conference "Complex Dynamics in Higher Dimensions", held in Albany, New York
- 1985 Project Director for "International Conference on Partial Differential Equations in Complex Analysis" in Albany, NY, supported by the Nat. Science Foundation
- 1975-89 Principal Investigator on multiple NSF Grants
- 1974 State Univ. of New York Faculty Fellowship
- 1968-71 Chancellor's Teaching Fellowship, UCLA
- 1965-66 Fulbright Exchange Fellow, Germany - UCLA

- Seminar Lecture, Coimbra University, Coimbra, Portugal, June 2018
- Lecture at "The Workshop on d-bar in Trondheim 2017", Norway, October 2017
- Special Seminar Lecture "A New Look at Calculus: How an Old Idea Naturally Leads from Simple Algebra to the Heart of Analysis", NTNU Trondheim, Norway, October 2017
- Mini Course "Integral Kernel Methods in Several Complex Variables", NTNU, Trondheim, Norway, September/October 2017
- Lecture at Midwest SCV Conference in Honor of J. Wermer's 90th birthday, Brown University, Providence, Rhode Island, June 2017
- Colloquium Lecture "How an Old Idea Naturally Leads from Simple Algebra to the Heart of Analysis", Univ. of Oslo, August 2016
- Lecture at International Conference "Complex Geometry and the Cauchy-Riemann Equation", Oslo, August 2016
- Special Lecture "Calculus: Have We Been Teaching it Wrong?", Seoul National University, Seoul, S. Korea, April 2015
- Seminar Lecture at Workshop at Busan Nat. University, Busan, S. Korea, April 2015
- Short Course "Integral Kernel Methods in Multidimensional Complex Analysis: From its Origins to Recent Results on Weakly Pseudoconvex Domains" (8 lectures), POSTECH, Pohang, S. Korea, April 2015
- Colloquium Lecture "Pseudoconvexity: What is it, and Why is it Central to Complex Analysis?", POSTECH, Pohang, S. Korea, April 2015
- Colloquium Lecture, University of Bonn, Germany, Nov. 2014
- Short Course "Integral Kernel Methods for Weakly Pseudoconvex Domains". Chinese Academy of Sciences, Beijing, April 2014
- Colloquium Lecture, University of Arkansas, Nov. 2012
- Special Lecture at Math Club, Univ. of Arkansas, Nov. 2012
- Special Session "Complex Analysis and its Broader Impact" at the AMS Regional Meeting in Akron, Ohio, October 2012
- Lecture at University of Tokyo, Japan, July 2012
- Lecture at Hayama International Symp. on Sev. Complex Variables, Shonan Center, Japan, July 2012
- Colloquium Lecture, Xiamen University, China, October 2011
- Special Lecture on Calculus, Jiaxing University, China, October 2011
- Colloquium Lecture, Chinese Academy of Sciences, Beijing, October 2011
- Special Lecture on Calculus, Chinese Academy of Sciences, Beijing, October 2011
- Seminar Lecture, Lebanese American University, Beirut, May 2011
- Seminar Lecture, University of California at Los Angeles, March 2011
- Colloquium Lecture, University of Utah, Salt Lake City, March 2011
- Undergraduate Colloquium, University of Utah, Salt Lake City, February 2011
- Workshop on the d-bar Neumann Problem, E. Schroedinger International Inst., Vienna, November 2009
- Colloquium Lecture, University of Ghana, Legon (Accra), April 2007
- Oka Centennial Conference, Kyoto, Japan, October 2001
- Special Session on Complex Analysis, Joint Meeting AMS and SMM, Morelia, Mexico, May 2001
- Frontiers in Mathematics Lecturer, 3 lectures, Texas A&M University, April 2001
- Seminar Lecture, Univ. of Bologna, Italy, June 2000
- Special Session on Several Complex Variables, AMS Annual Meeting, San Antonio, 1999
- Mathematical Sciences Research Institute (MSRI), Berkeley, 1996
- International Conference "Operator Theory for Complex and Hypercomplex Analysis", Mexico City, 1994
- Colloquium Lecture, University of Notre Dame, 1994
- Colloquium Lecture, University of Maryland, 1992
- International Conference "Complex Analysis and Geometry", Trento, Italy, 1991
- Seminar Lecture, Harvard University, 1990
- Seminar Lecture, Princeton University, 1989
- International Conference "Geometry and Complex Variables in Bologna", in celebration of the 9th centenary of the University of Bologna, Italy, 1989

- D. Smitas, 2013 Ph.D.: "Lipschitz Estimates on Weakly Pseudoconvex Domains", Siena College, Albany, New York
- J. Solowiej, 1999 Ph.D.: "Hoelder Estimates for the Solutions of the Cauchy-Riemann Equations on Convex Domains of Finite Type", Financial Analyst, London
- J. Fleron, 1994 Ph.D.: "H�lder Estimates for the Cauchy-Riemann Equations near Weakly Pseudoconcave Boundaries", Professor, Westfield State College, Massachusetts
- K. Burke, 1991 Ph.D.: "Duality in the Bergman Spaces on some Weakly Pseudoconvex Domains", Associate Professor, Northeast Louisiana University
- A. Cupillari, 1984 Ph.D.: "Inner Functions and Boundaries for H^infinity on Strictly Pseudoconvex Domains", Associate Professor, Univ. of Pennsylvania at Erie
- J. Ryczaj, 1981 Ph.D.: "C^k Estimates for the Cauchy-Riemann Equations on Certain Weakly Pseudoconvex Domains", Associate Professor, Wroclaw Technical University, Poland

What is Calculus? From Simple Algebra to Deep Analysis. xxxii + 340 pp., World Scientific Publishing, Singapore, 2015.

Holomorphic Functions and Integral Representations in Several Complex Variables, Springer-Verlag, New York 1986. 2nd corrected printing 1998.

- Integral Representations in Complex Analysis: From Classical Results to Recent Developments. In: Advancements in Complex Analysis, Daniel Breaz and Michael Th. Rassias, Editors, pp. 449 - 471, Springer Nature Switzerland 2020
- Using high school algebra for a natural approach to derivatives and continuity. The Mathematical Gazette (London) 102 (2018), 435 - 446.
- A Pointwise a-priori Estimate for the d-bar Neumann Problem on Weakly Pseudoconvex Domains. Pacific J. Math. 275 (2015), 409 - 432.
- Descartes's Double Point Method for Tangents: An Old Idea Suggests New Approaches to Calculus. Notices Amer. Math. Soc. 61(4) (2014), 387-389. Edited and Translated: Von Descartes zu einem neuen Zugang zur Differentialrechnung und Analysis. Mitteilungen der DMV (2016), 26 -29.
- A New Integral Kernel for Weakly Pseudoconvex Domains. Math. Ann. 356(2013), 793-808.
- What is....a Pseudoconvex Domain? Notices Amer. Math. Soc. 59 (2012), 301-303.
- Where are Limits Needed in Calculus? Amer. Math. Monthly 118 (2011), 404-417.
- Some landmarks in the history of the tangential Cauchy-Riemann equations. Rendiconti di Matematica, Serie VII, 30 (2010) , 275-283.
- On Antiderivatives of the Zero Function. Mathematics Magazine 80 (2007), 387 - 390
- Kneser's paper on the boundary values of analytic functions of two variables. In: Hellmuth Kneser, Gesammelte Abhandlungen, 872 - 876, ed. G. Betsch and K. H. Hofman, deGruyter, Berlin 2005
- On the Decomposition of Holomorphic Functions by Integrals and the Local CR Extension Theorem. Adv. Studies in Pure Math. 42 (2004), Math. Soc. Japan, 269 - 273.
- Complex Analysis: A Brief Tour into Higher Dimensions, Amer. Math. Monthly 110 (2003), 89 - 108. (Selected for the 2004 Lester R. Ford Award of the Mathematical Association of America.)
- Extension Phenomena in Multidimensional Complex Analysis: Correction of the Historical Record. The Mathematical Intelligencer 24, no 2 (2002), 4 - 12
- On d-bar Problems on (Pseudo) - Convex Domains. Topics in Complex Analysis, Banach Center Publ. 31, 311 - 320, Polish Acad. of Sci., Warszawa 1995
- Integral Kernels and H�lder Estimates for d-bar on pseudoconvex domains of finite type in C^2. Math. Ann. 288 (1990), 63 - 74
- Cauchy-Fantappie Formulas in Multidimensional Complex Analysis. Proc. Int. Conf. "Geometry and Complex Analysis", Bologna 1989, Lect. Notes in Pure and Appl. Math 132, 307 - 32, Marcel Dekker, New York 1991
- Integral Representations and Estimates in the Theory of the d-bar Neumann Problem. (with I. Lieb) Ann. of Math. 123 (1986), 265 - 301