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David Hertweck

RespectAbility’s National Disability Speakers Bureau

  • Disability Status: Blind
David Hertweck headshot smiling

David Hertweck

David Hertweck received a BA in mathematics from Washington University and a master’s degree in computer science from the University of Cincinnati. For the past 21 years he has worked as an engineer for Bausch & Lomb designing medical equipment for ophthalmic surgery. Before that, David worked in academia running a research lab. As a blind engineer, he finds it incredibly rewarding to design equipment used to restore vision. David has found the scientific and engineering communities to be incredibly inclusive.

David enjoys talking to and mentoring blind and low-vision people about pursuing careers in STEM. He has spoken at several local events focused on the blind and low-vision communities as a motivational speaker. Recently, he had the privilege to share his story with a national conference for teachers of blind and low-vision students.

He has been a self-advocate for as long as he can remember, including pushing to attend his local mainstream high school in the 1970s, which eventually propelled him to receive a scholarship for his undergraduate education. Looking for his first job in the late 1980s was extremely challenging due to the negative stereotypes surrounding people with disabilities at the time (many of which unfortunately still exist today). But David eventually began his career in STEM which he still enjoys today.

David is a third-degree black belt in judo and loves passing his knowledge on to others. In the last 2 years he has gotten into long-distance canoe endurance racing, and recently completed his second MR340 (a four-day 340-mile race) down the Missouri River.

David’s proudest achievements in life are his two wonderful children, one of whom is in college and the other is getting ready to have her first baby.

About RespectAbility’s National Disability Speakers Bureau

RespectAbility’s National Disability Speakers Bureau offers diverse speakers with disabilities to teach about disability inclusion; and/or to offer their expertise in an array of topics, ranging from Art and Entertainment to Entrepreneurship, Education, Finance, Law, Psychology, Religion (of many faiths) and every vocation in between. Our Speakers Bureau and its divisions are expanding. If this is of interest to you or you know a professional with a visible or nonvisible disability who might be interested, you (or she/he/they) can email

Meet the Author

Eric Ascher

Eric Ascher is the Communications Associate for RespectAbility. He is responsible for supporting RespectAbility’s Vice President, Communications in developing and implementing advocacy efforts and communications of various types. Ascher manages RespectAbility’s social media channels, website and emails; organizes and develops webinars; and supervises Communications Fellows.

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