People



Senior Scientist (PI)


Gregory Ruiz
Curriculum Vitae
Zoologist
Director/Zoologist. Ph.D. (1987) University of California, Berkeley; B.A. (1980) University of California, Santa Barbara. Research interests: population and community ecology of marine and estuarine ecosystems, animal behavior, larval recruitment of marine invertebrates, ecological parasitology, life history evolution, predator-prey interactions.
443-482-2227
ruizg@si.edu



Senior Research Staff


A. Whitman Miller
Ecologist: Marine Invasions Research Lab, Program Coordinator: National Ballast Information Clearinghouse
D.Env., Environmental Science and Engineering (2000) University of California, Los Angeles; M.A., Biology (1995) UCLA; B.A., in Biology (1984) Earlham College. Research interests: Ecology of marine and estuarine nonindigenous species; quantification of environmental and ecological impacts in rocky intertidal and other spatially heterogeneous habitats.
443-482-2439
millerw@si.edu



Research Staff


Ashley Arnwine
Biological Research Technician
B.A. in Geography (1998) University of Maryland, Baltimore County. SERC projects: NBIC, Chesapeake Bay Shipping History. SERC duties: NBIC data management, GIS data analysis, settling plate analysis, voucher curation.
443-482-2478
arnwinea@si.edu


Eric Bah
Biological ScienceTechnician
B.S. Biological Sciences (2006) University of Maryland, Baltimore County. National Ballast Information Clearinghouse, Nearshore Survey & Palaemon Survey. Research Interests: vectors of invasion and possible impacts & implications.
443-482-2469
bahe@si.edu


Lina Ceballos
Curriculum Vitae
Research Staff
M.S. Marine Biology, Romberg Tiburon Center, San Francisco State University, California, US (2012). Thesis: “Developmental effects of ocean acidification on the porcelain crab Petrolisthes cinctipes”. B.S. Marine Biology, Jorge Tadeo Lozano University, Santa Marta, Colombia (2004). SERC duties: Settling plates analysis with emphasis on the mobile community, Carcinus maenas eradication project and taxonomy of marine invertebrates; based at SERC-Tiburon, Calif. Research interests: Crustacean biology and taxonomy.
415-435-3528
ceballosl@si.edu

  Andrew Chang
Ecologist
Ph.D. in Ecology (2009) University of California, Davis: B.A. in Marine Science (2000) Williams College. SERC projects: Tracking larval dispersal and population connectivity patterns of Ostrea lurida and Mytilus galloprovincialis in San Francisco Bay and Crassostrea virginica in Chesapeake Bay. Research Interests: Community ecology, metacommunities, estuarine ecology and biogeography, climate change, establishment of nonindigenous species, invertebrate larval development, invertebrate taxonomy.
530-400-9410
changal@si.edu


Ian Davidson
Ecologist
Ph.D. Marine Ecology (2004), University College Cork, Ireland; B.Sc. (Honors) Applied Ecology (2000), University College Cork. Research Interests: Marine biodiversity, biogeography, and anthropogenic effects on marine ecosystems. SERC projects: vector ecology with a focus on vessel biofouling; community ecology and biogeography; shipping, ballast and invasions analyses; population control and eradication; field ecology and science diving.
davidsoni@si.edu
443-482-2374


Ruth DiMaria
Research Staff
M.S. in Fishery Science (2011), Oregon State University. Thesis: Natal source contributions of Pacific cod (Gadus macrocephalus) recruits in the southeastern Bering Sea. B.S. in Biology (2006) and B.S. in Earth Science with an emphasis in Environmental Science (2007), George Mason University, Va. SERC Project: Community analysis of soft-sediment infauna along Californian estuaries. Research Interests: early life history and ecology of fishes; estuarine and coastal ocean ecology; fisheries conservation.
443-482-2473
dimariar@si.edu


Laura Falsone
Management Support Specialist
Fund Management, payroll, lab manager, coordinate travel, initiate new contracts, Marine Invasions point of contact. M.S. in Marine Science (1989), North Carolina State University. B.S. in Biology (1985), University of Tampa. Thesis: Variation in feeding behavior of blue crabs (Callinectes sapidus Rathbun) measured by ultrasonic biotelemetry
443-482-2324
falsonel@si.edu

  Paul Fofonoff
Biological Sci. Technician
Ph.D. in Oceanography (1994) University of Rhode Island; M.S. in Zoology (1980); B.A. (1975) Clark University. SERC project: Nonindigenous Species History, NEMESIS. SERC duties: library research and analysis of biological invasions, identification of plankton and fouling organisms. Research interests: zooplankton ecology, estuarine food webs, ecology of larvae of marine invertebrates, biology of estuarine fishes.
443-482-2337
fofonoffp@si.edu


Stacey Havard
Biologist
B.A in Biology from Elon University. SERC Projects: Fouling Survey, Nearshore Survey, Palaemon Survey, Data Management. Research Interests: Competition in marine invertebrate communities and parasites.
443-482-2486
havards@si.edu

  Tami Huber
Biological Science Lab Technician
Assistant Program Coordinator: National Ballast Information Clearinghouse. B.S. in Biology, emphasis in Marine Biology (1995) University of Maryland at College Park.
443-482-2437
hubert@si.edu

  Karl Klug
Information Technology Specialist
klugk@si.edu


Kristen Larson
Biological Science Lab Technician
B.S. in Biology (2001) St. Mary's College of Maryland. SERC projects: National Fouling Survey, Nearshore Survey, Rhithropanopeus Survey. SERC duties: Project Manager and Field Coordinator for National Fouling Survey, Data management, Invertebrate taxonomy (with an emphasis on Tunicata), Sample curation and management. Research Interests: community and population ecology of marine invertebrates, tropical-temperate comparisons of species richness and diversity, ecology of invasions.
443-482-2309
larsonk@si.edu

  Michelle Marraffini
Research Staff
marraffinim@si.edu


Linda McCann
Biological Science Technician
Research Biologist and Marine Citizen Science Network Coordinator, Alaska. M.S. in Biological Oceanography (1987) North Carolina State University; B.S. in Zoology (1981) University of Wisconsin, Madison. SERC projects: Marine Citizen Science Network, Nationwide Spatial Fouling Survey, Panama Canal Invasions Study, Didemnum vexillum management project. SERC duties: identification of marine invertebrates including Bryozoans, Amphipods, Nudibranchs and Serpulids, settling plate analysis, Coordinator Marine Citizen Science Network, Alaska. Research interests: invertebrate zoogeography, ecology of invasions.
415-435-3528
mccannl@si.edu


Mark Minton
Ecologist
Senior Analyst: National Ballast Information Clearinghourse. Ph.D. in Botany (2003) Washington State University, M.S. in Statistics (2002) Washington State University, B.S. in Environmental Science (1994) University of Denver. Research Interests: establishment of nonindigenous species; population ecology of small populations; vector ecology and management. SERC Projects: Describing patterns of ballast water movement via shipping as a vector for the introduction of aquatic nonindigenous species; Relating ballast water movement with International Trade.
443-482-2307
mintonm@si.edu


Timothy Mullady
Biological Science Technician
B.S. in Biology (1996) Washington College. SERC projects: Maritime Environmental Resource Center (MERC) Ballast Water Treatment & Verification, Microbial Communities, Bait Ecology. SERC Duties: Phytoplankton Analyst, Lab Safety Manager. Research interests: protozoology, microbial ecology, microscopy.
443-482-2465
mulladyt@si.edu


Monaca Noble
Public Relations Coordinator
M.Sc. in Environmental Sciences and Resources (2007) Portland State University. Thesis: Evaluating the Risk of Invasions Associated with Low Salinity Ballast Water Arriving to the Columbia River. B.S. in Fisheries and Wildlife Management (1998) Utah State University. SERC Projects: webmaster, social media, citizen science coordinator, public relations, and ballast water exchange verification research.
443-482-2467
noblem@si.edu

  Yichen Qian
Office Aide


Michele Repetto
Biological Science Technician
B.S. (Honors) in Marine Science, emphasis in Biology (2011) University of South Carolina; SERC Projects: National Fouling Survey, Introductions of non-native marine organisms via the marine baitworm trade; Research Interests: Parasite-host interactions, aquatic invasions ecology, marine invertebrate taxonomy
443-482-2354
repettom@si.edu

  Amanda C. Reynolds
Biological Science Technician
B.S. in Biology (2002) Dickinson College. SERC projects: National Ballast Information Clearinghouse, 2005 Electrionic Fieldtrip on Biological Invasions, Carcinus maenas larvae development, Ocean Acidification Project. SERC Duties: NBIC data management, head manager for Ocean Acidification Project. Research Interests: Larval biology, climate change research in coastal and nearshore environments.
443-482-2322
reynoldsa@si.edu


George Smith
Biological Science Technician
M.S. in Oceanography (1995) University of Connecticut; B.S. in Environmental Studies (1992) University of Maine. SERC projects: Ballast Water Exchange, Ballast Water Biota. SERC duties: ballast water sampling and analysis, boat and field equipment maintenance. Research interests: planetary ecology, sustainable technology.
443-482-2411
smithgeo@si.edu


Darrick Sparks
Biological Science Lab Technician
B.S. in Biology (1996) Washington College. SERC projects: Chinese Mitten Crab, Ballast Water Verification and Treatment. SERC duties: Chinese Mitten Crab coordinator for Mid-Atlantic, ballast sampling and analysis, instrument technician.
443-482-2455
sparksd@si.edu


Brian Steves
Ecologist
M.S. in Marine Environmental Sciences (1997) State University of New York at Stony Brook. B.S. in Biological Sciences (1994) State University of New York at Geneseo. SERC projects: National Invasive Species Database, National Exotic Marine and Estuarine Species Information System, and Chesapeake Bay Exotic Marine and Estuarine Species Information System. SERC duties: database creation and management, web database and web site development. Research interests: community ecology, early life history and ecology of demersal fishes.
503-725-8104
stevesb@si.edu


Ellen Wakeley
Research Staff
B.S. in Ecology and Conservation Biology (2009), Bowling Green State University. M.S. in Aquatic Ecology (2014), Utah State University. SERC projects: National Ballast Information Clearinghouse data manager and outreach coordinator; Chesapeake Bay shipping history; lab safety assistant manager.
443-482-2396
wakeleye@si.edu

  Paul Winterbauer
IT Specialist for National Ballast Information Clearinghouse
314-266-7179
winterbauerp@si.edu


Chela Zabin
Curriculum Vitae
Biologist
Ph.D. in Zoology and Ecology, Evolution and Conservation Biology (2005) University of Hawaii, Manoa; B.A. in Marine Biology (1998), University of California, Santa Cruz; B.A. in Journalism (1985), Sierra University, Santa Monica, SERC duties include research on fouling species, invasion vectors and the invasive kelp Undaria pinnatifida, native oyster research and restoration. Research interests: community and population ecology of marine invertebrates; invasion vectors; intertidal ecology; tropical-temperate comparisons of species richness and diversity; scientist- public partnerships in environmental data collection and monitoring.
415-435-3528
zabinc@si.edu



Post Doctoral Fellow


Jenny Carney
Post Doctoral Fellow
PhD in Marine Science and Technology (2011) Newcastle University, UK; BSc (Honors) Marine Biology (2006) Newcastle University, UK. Research interests: the spread of invasive species via shipping, ballast water management methods and testing procedures, impacts of ballast water transportation conditions on plankton survival, methods of assessing viability in plankton. SERC project: assessing changes in zooplankton communities present in ships' ballast water as a result of changing management practices.
443-482-2937
carneyk@si.edu


Kim Holzer
Post Doctoral Fellow
Ph.D. in Environmental Sciences (2010) University of Virginia; M.T. in Science Education (2003) University of Virginia; B.S. in Biology (2000) Bates College. Research Interests: Ecosystem response to natural and manmade disturbance, predator-prey interactions, seagrass ecology, invasion ecology, environmental policy. SERC Projects: Relationship of zooplankton concentration and composition in ballast tanks with ballast water management practices; Didemnum vexillum management; science diving.
holzerk@si.edu


Haizea Jimenez
Post Doctoral Fellow
Ph.D. in Marine Benthic Ecology (2011) University Pierre and Marie CURIE, France; M.Sc. in Sustainable Management of Marine Coastal Ecosystems (2006) University of La Rochelle; B.Sc. in Marine Biology (2003) University of Las Palmas de Gran Canaria, Spain. Research interests: community ecology of marine tropical and temperate benthic communities, impacts of disturbances on coastal ecosystems, invertebrate taxonomy, quantitative ecology. SERC project: soft-sediment infauna community distribution along Californian estuaries, influence of invasive species on native communities.
415-435-3528
jimenezh@si.edu


Erica Keppel
Post Doctoral Fellow
Ph.D. in Environmental Sciences (2008), Ca’ Foscari University, Venice, Italy; MSc in Natural Sciences (2003), University of Padua, Italy. SERC project: Fouling Survey, identification of fouling organisms. Research interests: soft sediment macrozoobenthos community, biodiversity, nonindigenous and invasive species, ecology and taxonomy of estuarine and marine invertebrates and larval dispersion, with focus on Polychaeta.
443-482-2409
keppele@si.edu


Katrina Lohan
Post Doctoral Fellow
Ph.D. in Marine Science (2011), The College of William and Mary; M.S. in Biology (2006), American University; B.S. in Marine Science (2004), Southampton College of Long Island University. Research interests: Invasion ecology, impacts of invasive parasites, host-parasite interactions, disease ecology, population genetics, molecular ecology, metagenomics. SERC projects: using metagenomics to examine diversity in ballast water and environmental water samples, using metagenomics to assess prevalence and diversity of marine parasites associated with bivalves and environmental water samples over a latitudinal gradient.
202-633-0550
lohank@si.edu


Jim Muirhead
Curriculum Vitae
Post Doctoral Fellow
Ph.D. in Environmental Sciences (2007) Great Lakes Institute for Environmental Research, University of Windsor; M.Sc. in Zoology (1999) University of Toronto at Mississauga; B.Sc. in Zoology (1994) University of Alberta. Research interests: Risk analysis for spread of nonindiginous species, biogeography, landscape ecology, biostatistics, network theory. SERC projects: Predicting establishment of estuarine nonindigenous species transported by ballast and hull fouling.
443-482-2450
muirheadj@si.edu