DIRECTORY LISTING
William Tonissen
Adjunct Associate Professor
Music
William Tonissen
- About
With six schools offering dozens of majors and minors, students have infinite possibilities to determine their future.
About Lehman
Administration
- Academics
Undergraduate, Graduate, and Adult Learners can all find a place to learn and grow at Lehman.
Schools
Learning at Lehman
- Admissions
Our admissions advisors are here to answer your questions and guide you each step of the way.
Getting Started
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Expand and extend your skills to advance your career or open new opportunities.
Arts & Humanities
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Continuing & Professional Studies
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From clubs, athletics, and cultural events, to academic, mental health, and social support, Lehman has you covered.
Campus Community
Student Services
Health & Wellness
- Arts & Culture
Be the star or attend a great performance.
Music & Performing Arts
Visual Arts
- Research
Working with their students, dozens of faculty receive millions of dollars in research grants.
Student & Faculty Research
- Prospective Students
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Students
TechnologyAcademic Progress
- Alumni
- Faculty/Staff
- Community