M. Landon, a candidate for
president-elect of AAPG, is a Denver independent geologist
affiliated with Thomasson Partner Associates.
A native of Mattoon, Ill., she received a bachelor's degree
in geology from Knox College and a master's from State University
of New York at Binghamton.
Landon's professional career began with Amoco Production
in Denver and later in Houston as exploration training manager.
She has been an independent and consultant in Denver since
A member of AAPG since 1975, Landon is a Certified Petroleum
A member of the House of Delegates since 1995, she also
has served terms in 1979-82 (RMAG) and 1988-93 (Houston).
She has served on the Group Insurance Committee since 1994,
serving as vice chair in 2000-01. Landon has been in the
Visiting Geologists Program since 1980, serving as chairman
She has served on the Distinguished Lecture, Membership,
Public Information and the Headquarters Management committees.
She also was a member of the Select Committee on the Future
of Petroleum Geologists in 1985-86, and was on the AAPG
Advisory Council from 1991-92.
She was elected AAPG treasurer for 1994-96.
AAPG awards include Honorary Membership, the Distinguished
Service Award and the Certificate of Merit.
Landon was editor of AAPG Memoir 59, Interior Rift Basins,
published in 1994, and has published articles and given
presentations and seminars, including a course in petroleum
geology for non-technical persons for AAPG.
Affiliated society activities include serving as 2001 president
of the Rocky Mountain Association of Geologists, and the
Houston Geological Society.
Other professional activities include serving as president
of the American Institute of Professional Geologists in
1990 and as president of the American Geological Institute
in 1999. She is receiving the AIPG Ben H. Parker Memorial
Medal for 2001. She is chairman of the Committee on Earth
Resources at the National Research Council and served on
the Colorado Geological Survey Advisory Committee from 1992-97.
a candidate for president-elect of AAPG, is exploration manager
for North American Resources, a Pan Canadian company, in Denver.
A native of Billings, Mont., Sonnenberg received bachelor's
and master's degrees in geology from Texas A&M University,
and his doctorate from the Colorado School of Mines in Golden.
Sonnenberg began his career with Gulf Oil in Oklahoma City
and was a teaching and research assistant at Texas A&M
before joining Exxon USA as exploration and development geologist.
He was a research assistant at Colorado School of Mines and
later became exploration geologist for Bass Enterprises in
Denver from 1981-90 before becoming an independent consultant
Sonnenberg joined North American Resources in 1997.
A member of AAPG since 1975, Sonnenberg is a Certified Petroleum
Geologist and served as president of the Division of Professional
Affairs in 1998-99.
He also served as DPA vice president in 1990-91, on the DPA
Advisory Board from 1987-90 and on the DPA Continuing Education
Committee, serving as chairman from 1994-97. He received the
DPA Distinguished Service Award in 2001.
A member of the AAPG House of Delegates since 1998, he also
served House terms in 1983-86, 1989-91 and 1991-95. As a House
member, Sonnenberg served on the Rules and Procedures, Constitution
and Bylaws, Resolutions and Credentials committees.
He was elected AAPG vice president 1995-96.
Sonnenberg also has served on the following AAPG committees:
Education, Geologic Computing, Marine Geology, Reservoir Development,
Treatise of Petroleum Geology, Sample Preservation, Finance
and Budget Review, Mentoring (chairman), Ethics (chairman)
and Convention Coordination (chairman). He served as general
chairman of the 2001 annual meeting in Denver.
A member of the Advisory Council in 1997-99, Sonnenberg is
an AAPG Foundation Trustee Associate.
He received the AAPG Distinguished Service Award in 1999,
and has received the Certificate of Merit and Certificate
Active in the Rocky Mountain Association of Geologists, he
served as president in 1991. He also served as president of
the Rocky Mountain Section of AAPG in 1994.
Other affiliated society memberships include the Society of
Independent Professional Earth Scientists, Wyoming Geologic
Society, Geologic Society of America, Houston Geologic Society,
Colorado Scientific Society, Oklahoma Geologic Society and
the American Institute of Professional Geologists.