Presidents of the Eastern Pennsylvania Chapter of the Society of American Bacteriologists which became the Eastern Pennsylvania Branch of the American Society for Microbiology.

1Dr. David Bergey1920-1922Began 24 February
2Dr. Randle C. Rosenberger1923-1924 
3Dr. A. C. Abbott1925-1926 
4Dr. Eugene L. Opie1927-1928Served Until May 1928
5Dr. J. L.T. Appleton, Jr.1928-1929Began in October
6Dr. Joseph D. Aronson1930-1931Served Until October 1931
7Dr. Jefferson Clark1931-1934November 1931 Until May 1934
8Dr. Evan L. Stubbs1934-1935Began in October
9Dr. Carl J. Bucher1936-1937 
10Mr. Christopher G. Roos1938-1939 
11Dr. Stuart Mudd1940-1941 
12Dr. William A. Kreidler1942-1943 
13Dr. Earle H. Spaulding1944-1945 
14Dr. Harry E. Morton1946-1947 
15Dr. William Verwey1948-1949 
16Dr. Amedeo Bondi1950-1951 
17Dr. James Harrison1952-1953 
18Dr. Ruth E. Miller1954-1955 
19Dr. Kenneth Goodner1956-1957 
20Dr. Morton Klein1958-1959 
21Dr. Joseph S. Gots1960-1961 
22Dr. L. Joe Berry1962-1963 
23Dr. Harold S. Ginsberg1964-1965 
24Dr. Albert G. Moat1966-1967 
25Dr. George Warren1968-1969 
26Dr. Herman Friedman (deceased)1970-1971 
27Dr. James Prier (deceased)1972-1973 
28Dr. Richard L. Crowell1974-1975Jan 1974 Until June 1975
29Dr. Norman P. Willett (deceased)1975-1977July 1975 Until June 1977
30Dr. Robert J. Mandle (deceased)1977-1979July 1977 Until June 1979
31Dr. Joseph F. Pagano1979-1981July 1979 Until June 1981
32Dr. John C. McKitrick (deceased)1981July 1981 Until October 1981
33Dr. Henry R. Beilstein (deceased)1981-1983November 1981 Until June 1983
34Dr. Toby K. Eisenstein1983-1985July 1983 Until June 1985
35Dr. Donald D. Stieritz1985-1987July 1985 Until June 1987
36Dr. James A. Poupard1987-1989July 1987 Until June 1989
37Dr. Paul Actor (deceased)1989-1991July 1989 Until June 1991
38Dr. Alan Evangelista1991-1993July 1991 Until June 1993
39Dr. Linda A. Miller1993-1995July 1993 Until June 1995
40Mr. Paul Cerwinka (deceased)1995-1997July 1995 Until June 1997
41Dr. Richard Rest1997-1999July 1997 Until June 1999
42Dr. Irving Nachamkin1999-2001July 1999 Until June 2001
43Dr. Donald Jungkind2001-2003July 2001 Until June 2003
44Dr. Olarae Giger2003-2005July 2003 Until June 2005
45Dr. David A. Axler (deceased)2005-2006July 2005 Until June 2006
46Dr. Bettina Buttaro2006-2009July 2006 Until June 2009
47Dr. Laura Chandler
Dr. John Reyne
2009-2011July 2009 Until June 2011
48 Dr. Patrick J. Piggot   (deceased) 2011-2013 July 2011 Until June 2013
49 Dr. John Reyne 2013-2015 July 2013 Until June 2015