At Circadian Positioning Systems, we develop circadian solutions for optimizing performance in mission-critical scenarios.



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Eliza Van Reen, CEO

Eliza Van Reen received her Ph.D. from Brown University and her primary research focus was in the area of sleep and circadian rhythms. She completed her postdoctoral training in sleep and circadian rhythms at the Division of Sleep Medicine at Harvard Medical School and the Brigham and Women’s Hospital. She has over 17 years of experience in the field of sleep and circadian rhythms.

She is a member of the Sleep Research Society and has numerous peer reviewed publications in the area of sleep and circadian rhythms, including the development of sleep and circadian rhythms from childhood to adolescence. She has presented these data both nationally and internationally.



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STTR 2020/21




(401) 234-2064

360 Thames Street,
Unit 3B Office #4, Newport, RI 02840