| MacMillan Group: Development of new reaction methods of broad utility, enantioselective catalysis and the synthesis of natural products and biologically important molecules. |
| Magnus Group: Total synthesis. |
| Magomedov Group: Catalytic enantioselective processes of broad utility to organic and medicinal chemists. |
| Marshall Group: Identification of natural products with interesting, often novel, structures and useful biological properties that may lead to medicinal agents for treatment of cancer, cardiovascular disorders and infectious diseases. |
| Martin Group: Syntheses of natural and unnatural products that are of biological or structural interest. |
| Maruoka Group: Development of bidentate Lewis acid chemistry. Molecular design of chiral phase-transfer catalysts. Precise design of bowl-shaped artificial enzymes. Hypercoordination chemistry. Development of new radical reaction processes and novel methodologies. |
| Mascarenas Group: Development of new, creative methods and strategies in organic synthesis. Construction of a novel type of DNA binding molecules. |
| Matzger Group: Studies conjugated polymers, physisorbed monolayers and crystal polymorphism. |
| Mayr Group: Kinetic studies of carbocation-carbanion combinations. |
| Müllen Goup: Synthetic macromolecular chemistry, supramolecular chemistry and material sciences. |
| McElwee-White Group: Applications of organometallic chemistry to problems in materials deposition, methodology for organic synthesis, and catalysis. |
| McGarvey Group: Molecular glycosciences: complex glycoconjugate synthesis and carbohydrate-based molecular recognition. |
| McIntosh Group: Natural product synthesis, synthetic methods development, and design of new transition metal catalyzed reactions. |
| McNeill Group: Mechanisms of chemical reactions in aquatic environments: photochemistry in surface waters with an emphasis on reactive oxygen species and metal-mediated dehalogenation reactions. |
| McQuade Group: Development of new materials for one-vessel multi-step synthesis. |
| Meinwald Group: Chemical ecology. Isolation and identification of biologically active compounds from insect sources. |
| Mohler Group: Exploiting organic and organometallic chemistry to solve problems in materials science and biology. |
| Molinski Group: Chemistry, bioorganic chemistry of marine natural products with novel structural and biological properties. |
| Montgomery Group: New reactions involving nickel catalysis. |
| Mulzer Group: Stereoselective organic reactions, synthesis of enantiomerically pure compounds and natural product syntheses. |
| Myers Group: Enantioselective laboratory synthetic route(s) to the tetracycline antibiotics. |