| 2007. | Plenary Presentation, American Association of University Women, Northern California. |
| 2006. | Invited Speaker, The Environmental Alliance, Martinez, California. |
| 2006. | Docent Lecturer, Audubon Canyon Ranch, Pt. Reyes National Seashore. |
| 2005. | Distinguished Speaker Series, California State University East Bay. |
| 2004. | Members' Lecture, California Academy of Sciences. |
| 2001. | Members' Lecture, California Academy of Sciences. |