Commission on Stratigraphic Nomenclature of the Americas

CSNA Commissioners

Mon, 01 Jan 0001 00:00:00 +0000

CSNA COMMISSIONERS 2026 - 2027

Representatives serve three-year terms. The Chair and Vice Chair are elected from within the Commission membership during the Annual Meeting, and each serves one year. For detailed information about the organization and procedure of the Commission, please refer to the CSNA Bylaws.

Three representatives each as designated by:

American Association of Petroleum Geologists

John Cooper, jcgolf.cooper@gmail.com (2026–2029)
Richard Denne, richard.denne@jsg.utexas.edu (2024–2027)
Christine Griffith, cgriffith@tamu.edu (2026–2029)

Association of American State Geologists

David T. Dockery, III, ddockery@mdeq.ms.gov (2024–2027)
R. Matthew Joeckel, rjoeckel3@unl.edu (2024–2027)
Ranie M. Lynds, ranie.lynds@wyo.gov (2026–2029)

Geological Society of America

Rex A. Hanger, hangerr@uww.edu (2025–2028)
Antun Husinec, ahusinec@stlawu.edu (2024–2027)
María A. Lorente Alonso, lorentema@gmail.com (2026–2029)

Geological Survey of Canada

Nikole Bingham-Koslowski, nikole.bingham-koslowski@nrcan-rncan.gc.ca (2025–2028)
James W. Haggart, jim.haggart@nrcan-rncan.gc.ca (2024–2027)
Alexandre Zagorevski, alex.zagorevski@nrcan-rncan.gc.ca (2026–2029)

U.S. Geological Survey

Phil A. Frederick, pfrederick@usgs.gov (2025–2028)
Christopher S. Swezey, cswezey@usgs.gov (2026-2029)
Jeremiah B. Workman, jworkman@usgs.gov (2026–2029)

Two representatives each as designated by:

Canadian Energy Geoscience Association, previously Canadian Society of Petroleum Geologists

Brian R. Pratt, brian.pratt@usask.ca (2024–2027)
John-Paul Zonneveld, zonnevel@ualberta.ca (2026–2029)

Geological Association of Canada

John W. Johnston, jwjohnston@uwaterloo.ca (2026–2029)
Stéphanie Larmagnat, stephanie.larmagnat@nrcan-rncan.gc.ca (2025–2028)

SEPM (Society for Sedimentary Geology)

Marie-Pierre J. Aubry, aubry@eps.rutgers.edu (2024–2027)
Howard E. Harper, hharper@sepm.org (2025–2028)

Servicio Geólogico Mexicano (Mexican Geological Survey)

Rosario Isabel López-Palomino, isabellopez@sgm.gob.mx (2024–2027)
Juan Carlos Salinas Prieto, juancarlossalinas@sgm.gob.mx (2024–2027)

One representative each as designated by:

Colegio de Geólogos de Bolivia (Bolivian Guild of Geologists)

Wilfredo Ramos Collorana, wilfredo.ramoscollorana@gmail.com (2025–2028)

Asociación Colombiana de Geólogos y Geofísicos de la Energía (Colombian Association of Energy Geologists and Geophysicists)

Luis Ignacio Quiroz, luis.quiroz@ecopetrol.com.co (2025–2028)

Colegio de Geólogos de Costa Rica (Costa Rican Guild of Geologists)

To be announced

Instituto de Geología y Paleontología / Servicio Geológico de Cuba (Institute of Geology and Paleontology / Geological Service of Cuba)

Deysy De la Nuez Colón, deysydelanuez2015@gmail.com (2025–2028)

Instituto Hondureño de Geología y Minas (Honduran National Institute of Geology and Mines)

Raúl Felipe Cálix, raulfcalix@gmail.com (2025–2028)

Departamento de Recursos Naturales y Medio Ambiente, Facultad de Ciencias Agronómicas, Universidad de El Salvador (Department of Natural Resources and Environment, Faculty of Agronomic Sciences, University of El Salvador)

Miguel Ángel Hernández Martínez, miguel.hernandez@ues.edu.sv (2025–2028)

Asociación Mexicana de Geólogos Petróleros (Mexican Association of Petroleum Geologists)

To be announced

Instituto de Geología de la Universidad Nacional Autónoma de México (Institute of Geology, National Autonomous University of Mexico)

Fernando Núñez-Useche, fernandonu@geologia.unam.mx (2025–2028)

Instituto de Geociencias, Universidad Nacional Autónoma de México (Institute of Geosciences, National Autonomous University of Mexico)

Mildred Zepeda-Martínez, mildredzm@geociencias.unam.mx (2025-2028)

Sociedad Geólogica Mexicana (Mexican Geological Society)

Rubén Alfonso López-Doncel, rlopez@uaslp.mx (2025–2028)

Instituto de Geociencias, Universidad de Panamá (Institute of Geosciences, University of Panama)

Katherine Michelle Flores, katherine-m.flores@up.ac.pa (2025–2028)

Asociación de Geólogos del Paraguay (Association of Geologists of Paraguay)

Mónica Marlene Quintana de Morinigo, monicamarlenequintana2023@gmail.com (2024–2027)

Sociedad Geológica del Perú (Geological Society of Peru)

To be announced

Sociedad Uruguaya de Geología (Uruguayan Geological Society)

Valeria Mesa, vmesa@fcien.edu.uy (2025–2028)

Sociedad Venezolana de Geólogos (Venezuelan Society of Geologists)

Marianto Castro Mora, marianto.castro@gmail.com (2025–2028)

Commissioners-At-Large:

Carlton E. Brett, brettce@ucmail.uc.edu (2025–2028)
Frank R. Brunton, frank.brunton@ontario.ca (2025-2028)
R. Michael Easton, rmeaston4236@gmail.com (2024–2027)
Lucy E. Edwards, leedward@usgs.gov (2025–2028)
Ismael Ferrusquía-Villafranca, ismaelfv@servidor.unam.mx (2025–2028)
Richard H. Fluegeman, rfluegem@bsu.edu (2025–2028)
Ed Landing, Ed.Landing@nysed.gov (2024–2027)
James R. Lehane, jazinator@hotmail.com (2024–2027, CHAIR 2026–2027)
Randall C. Orndorff, rorndorf@usgs.gov (2024–2027)
Jon J. Smith, jjsmith@ku.edu (2026–2029)
Gerardo J. Soto, katomirodriguez@yahoo.com (2026-2029)

Historical List of Commission Officers

Mon, 01 Jan 0001 00:00:00 +0000

YEAR	CHAIR	VICE CHAIR	MTG NO.
1946	Raymond C. Moore		1
1946-47	Raymond C. Moore	Monroe G. Cheney	2
1947-48	Raymond C. Moore	Monroe G. Cheney	3
1948-49	Raymond C. Moore	Monroe G. Cheney	4
1949-50	Raymond C. Moore	Monroe G. Cheney	5
1950-51	Hollis D. Hedberg	Siemon W. Muller	6
1951-52	Hollis D. Hedberg	Rickard D. Hutchinson	7
1952-53	James Gilluly	Digby J. McLaren	8
1953-54	James Gilluly	Digby J. McLaren	9
1954-55	Ronald K. DeFord	George V. Cohee	10
1955-56	Ronald K. DeFord	James Gilluly	11
1956-57	Edwin D. McKee	Clifford H. Stockwell	12
1957-58	John C. Frye	Kenneth E. Lohman	13
1958-59	John C. Frye	Carle H. Dane	14
1959-60	Kenneth E. Lohman	Grover E. Murray	15
1960-61	Kenneth E. Lohman	Grover E. Murray	16
1961-62	Thomas E. Bolton	John B. Patton	17
1962-63	Thomas E. Bolton	John B. Patton	18
1963-62	Thomas E. Bolton	George V. Cohee	19
1964-65	Carle H. Dane	Frank E. Kottlowski	20
1965-66	Carle H. Dane	Peter Harker	21
1966-67	Peter Harker	Frank E. Kottlowski	22
1967-68	Manuel Alvarez, Jr.	Frank E. Kottlowski	23
1968-69	Frank E. Kottlowski	John A. Wilson	24
1969-70	George V. Cohee	John A. Wilson	25
1970-71	John A. Wilson	Arthur A. Socolow	26
1971-72	Arthur A. Socolow	Zoltan de Cserna	27
1972-73	Zoltan de Cserna	Steven S. Oriel	28
1973-74	Steven S. Oriel	Virgil E. Barnes	29
1974-75	Roger W. Macqueen	Norman F. Sohl	30
1975-76	Norman F. Sohl	W.G.E. (Glen) Caldwell	31
1976-77	W.G.E. (Glen) Caldwell	James D. Aitken	32
1977-78	James D. Aitken	Malcolm P. Weiss	33
1978-79	Malcolm P. Weiss	Robert R. Jordan	34
1979-80	Malcolm P. Weiss	Robert R. Jordan	35
1980-81	Malcolm P. Weiss	Robert R. Jordan	36
1981-82	Malcolm P. Weiss	Robert R. Jordan	37
1982-83	Robert R. Jordan	Donald E. Owen	38
1983-84	Donald E. Owen	Norman P. Lasca	39
1984-85	Norman P. Lasca	Ashton F. Embry, Ill	40
1985-86	Ashton F. Embry, Ill	Susan A. Longacre	41
1986-87	Susan A. Longacre	Robert H. Fakundiny	42
1987-88	Robert H. Fakundiny	Robert F. Lundin	43
1988-89	Robert F. Lundin	Frederick W. Chandler	44
1989-90	Frederick W. Chandler	Robert R. Jordan	45
1990-91	Robert R. Jordan	Lucy E. Edwards	46
1991-92	Lucy E. Edwards	Donald E. Owen	47
1992-93	Donald E. Owen	Donald G. Cook	48
1993-94	Donald G. Cook	Donald L. Baars	49
1994-95	Donald L. Baars	R. Michael Easton	50
1995-96	R. Michael Easton	James O. Jones	51
1996-97	James O. Jones	Alfred C. Lenz	52
1997-98	Alfred C. Lenz	Ismael Ferrusquía-Villafranca	53
1998-99	Ismael Ferrusquía-Villafranca	Ernest A. Mancini	54
1999-00	Ernest A. Mancini	Bruce R. Wardlaw	55
2000-01	Bruce R. Wardlaw	Lucy E. Edwards	56
2001-02	Lucy E. Edwards	Brian R. Pratt	57
2002-03	Brian R. Pratt	Randall C. Orndorff	58
2003-04	Randall C. Orndorff	Norman P. Lasca	59
2004-05	Norman P. Lasca	Octavian Catuneanu	60
2005-06	Octavian Catuneanu	Anthony P. Hamblin	61
2006-07	Anthony P. Hamblin	Jared R. Morrow	62
2007-08	Jared R. Morrow	Berry H. (Nick) Tew	63
2008-09	Berry H. (Nick) Tew	Art P. Donovan	64
2009-10	Art P. Donovan	Peter Sadler	65
2010-11	Peter Sadler	R. Michael Easton	66
2011-12	R. Michael Easton	Robert W. Scott	67
2012-13	Robert W. Scott	Richard H. Fluegeman	68
2013-14	Richard H. Fluegeman	Howard E. Harper	69
2014-15	Richard H. Fluegeman	Frank R. Brunton	70
2015-16	Frank R. Brunton	Lucy E. Edwards	71
2016-17	Lucy E. Edwards	Carlton E. Brett	72
2017-18	Carlton E. Brett	Brian R. Pratt	73
2018-19	Brian R. Pratt	James W. Haggart	74
2019-20	James W. Haggart	John W. Johnston	75
2020-21	John W. Johnston	Janet L. Slate	76
2021-22	Janet L. Slate	R. Matthew Joeckel	77
2022-23	R. Matthew Joeckel	Richard Denne	78
2023-24	Richard Denne	Randall C. Orndorff	79
2024-25	Randall C. Orndorff	Nancy R. Stamm	80
2025-26	Nancy R. Stamm	James R. Lehane	81
2026-27	James R. Lehane	TBD	82