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Molloy & Associates, LLC

Dan is the Principal and Managing Director of Molloy & Associates, LLC – an international research and consulting firm with expertise in the biology, ecology and control of dreissenid (zebra and quagga) mussels.  Clients have hired Dan and his team of Associates to conduct projects in North America, Europe, and Asia. 

The current major research focus of Dan and his team of Associate scientists is an international project based in Eurasia examining the use of novel parasites for the biological control of North American dreissenids – a project funded by the United States Bureau of Reclamation.

Dan working in the Republic of North Macedonia with Associate Sasho Trajanovski (Hydrobiological Institute of Lake Ohrid)

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Montenegrin Associate Milena Iković prepares an aquarium for an experiment at the Molloy & Associates Field Research Laboratory in Montenegro


Dan has a planning session with Turkish Associate Zeki Yildirim (Mehmet Akif Ersoy University) to discuss which lakes in Turkey to sample for Dreissena spp. parasites


Associate Milena Iković dissecting the Balkan mussel Dreissena carinata to document its parasites




New York State Department of Environmental Conservation


US Fish & Wildlife Service


Christmas Lake Home Owners Association (Minnesota)


Whitefish Area Property Owners Association (Minnesota)


Minnesota Waters


Douglas County Lakes Association (Minnesota)


Minnehaha Creek Watershed District (Minnesota)


Iowa Great Lakes Association


Stearns County Aquatic Invasive Species Program (Minnesota)


Bay Lake Improvement Association (Minnesota)


Sleepy Hollow Lake Association (New York)


Chicago Botanic Garden

Chicago Bridge & Iron, Inc.

Normandeau Associates, Inc. (Pennsylvania)

US Department of the Interior


Dan maintains an active network of scientific collaborators at industry, government, and academic institutions throughout North America, Europe, and Asia

Dan providing mussel control advice to community group

Montenegrin Associate Mihailo Jovićević enters river to collect mussels as part of the international project on the biological control of dreissenids funded by the United States Bureau of Reclamation

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