Senior Scientist (PI)

Gregory Ruiz
Curriculum Vitae
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.

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.

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.

  Rebecca Barnard
Research Staff
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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.

  Andrew Chang
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.

Ian Davidson
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.

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.

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

  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.

Stacey Havard
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.

Kim Holzer
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.

  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.

  Karl Klug
Information Technology Specialist

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.

Katrina Lohan
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: Microbial invasion ecology; phylogeography and diversity of marine parasites; parasite and disease ecology; population genetics; molecular ecology; metabarcoding and metagenomics. SERC projects: metabarcoding microbial eukaryotes associated with maritime traffic and environmental water samples; examining the diversity and distribution of parasites of marine invertebrates; metabarcoding marine parasites and other protists over a latitudinal gradient.

  Michelle Marraffini
Research Staff

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.

Mark Minton
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.

Jim Muirhead
Curriculum Vitae
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.

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.

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.

  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.

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.

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.

Brian Steves
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.

  Briana Tracy
Research Staff

  Paul Winterbauer
IT Specialist for National Ballast Information Clearinghouse

Chela Zabin
Curriculum Vitae
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.

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.

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.

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.

Christina Simkanin
Curriculum Vitae
Post Doctoral Fellow
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Carolyn Tepolt
Curriculum Vitae
Post Doctoral Fellow
Ph.D. in Biology (2014) Stanford University; MSc. with Distinction in Zoology (2004) University of Otago, New Zealand; B.S. in Chemistry and with Honors in Biology (2002) College of William & Mary. Research interests: rapid adaptation in marine invasive species; evolutionary and ecological genomics; comparative ecophysiology; population genetics and genomics; thermal adaptation in green crabs. SERC project: exploring adaptation to parasitism across a mosaic of coevolutionary history.