Brian Leiter (Chicago) has finalized his ranking of the Highest Impact Faculty in 13 Areas of Specialization, including tax, as measured by citations during the past five years (Jan. 1, 2005 – Jan. 15, 2010):

Rank	Tax Prof	Citations	Age
1	Michael Graetz (Yale)	370	66
2	Daniel Shaviro (NYU)	310	53
3	David Weisbach (Chicago)	300	47
4	Edward McCaffery (USC)	280	52
5	Reuven Avi-Yonah (Michigan)	260	53
	Edward Zelinsky (Cardozo)	260	60
7	Lawrence Zelenak (Duke)	240	55
8	Joseph Bankman (Stanford)	230	55
9	Victor Fleischer (Colorado)	200	39
	Leandra Lederman (Indiana)	200	44
	Nancy Staudt (Northwestern)	200	47
12	Marjorie Kornhauser (Arizona St.)	190	63
13	Calvin Johnson (Texas)	180	66
	Deborah Schenk (NYU)	180	63
15	David Schizer (Columbia)	170	42
16	Howard Abrams (Emory)	160	55
	Anne Alstott (Harvard)	160	47
	Thomas Griffith (USC)	160	61

Highly-cited scholars whose cites are not exclusively in this area:

• Louis Kaplow (Harvard) (age 54), 970 citations
• Kristin Hickman (Minnesota) (age 40), 230 citations
• Mark Gergen (UC-Berkeley) (age 54), 210 citations
• Kyle Logue (Michigan) (age 45), 180 citations

In our article, Pursuing a Tax LLM Degree: Where?, Jennifer M. Kowal (Loyola-L.A.), Katherine Pratt (Loyola-L.A.), Theodore P. Seto(Loyola-L.A.) and I used a variation of Leiter's methodology in conducting a citation count study of the faculty in the thirteen graduate tax programs ranked at least once in the U.S. News tax rankings over the past four years (pp. 28-29):

Rank	Graduate Tax Program Faculty	Citations
1	NYU	1917
2	Florida	1181
3	Georgetown	861
4	Miami	799
5	Northwestern	667
6	Boston University	614
7	Loyola-L.A.	475
8	San Diego	377
9	Villanova	177
10	SMU	139
11	Chapman	112
12	U. Washington	75
13	Denver	42

Prior TaxProf Blog coverage:

• The 15 Most-Cited Tax Faculty (Apr. 5, 2010)
• More on Faculty Citation Rankings (Nov. 28, 2007)
• The Most-Cited Tax Faculty (Nov. 16, 2007)
• Ten Most-Cited Tax Faculty (Aug. 20, 2007)

In our article, Ranking Law Schools: Using SSRN to Measure Scholarly Performance, 81 Ind. L.J. 83, 120-22 (2006), Bernie Black (Northwestern) and I examined the Top 25 tax faculty as measured by SSRN downloads, a practice I update monthly on TaxProf Blog.