S.I.E.R.
The Sonoran Institute for Entropic Research (S.I.E.R.) is a multidisciplinary research institution dedicated to the study of complex systems, uncertainty, and long-horizon risk.
Persistence
S.I.E.R exists to transform uncertainty into intelligible structure.
Founded in 1949, S.I.E.R. conducts applied and theoretical research in environments where prediction is difficult, outcomes are non-linear, and long-term stability is a national concern.
The Institute operates in cooperation with public agencies, academic partners, and private-sector organizations whose technical capabilities support sustained inquiry. Founded to address complex systems that resist linear explanation, the Institute conducts interdisciplinary research across ecological dynamics, infrastructural interdependence, economic volatility, and emergent behavior in social and technical domains.
Where traditional analysis isolates variables, S.I.E.R. studies interaction. Our work focuses on systems whose outcomes cannot be understood by examining components alone; systems defined instead by feedback, recursion, and long-term coherence.
Rather than responding to isolated events, the Institute examines three main modes of temporal persistence:
How patterns survive disruption.
How structures adapt without collapsing.
How continuity is maintained across time.
Stability
S.I.E.R. research emphasizes resilience over reaction and stability over optimization. We are less concerned with predicting singular outcomes than with understanding why certain outcomes recur, resist intervention, or reassert themselves despite deliberate change.
Coherence
Through modeling, simulation, archival analysis, and applied systems research, the Institute develops frameworks for interpreting complexity without reducing it. Our work informs public policy, infrastructure planning, environmental management, and risk assessment, particularly in domains where intervention itself alters the system being studied.
S.I.E.R. seeks the conditions under which futures remain coherent.
Research Leadership
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Thomas R. Baines
DIRECTOR | Research Compliance
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Eileen Marnick
DIRECTOR | Personnel Administration
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Dr. Sanjay Mehta
SR. RESEARCH FELLOW | Applied Modeling
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Dr. Elaine Whitcomb
ASSOC. DIR. | Environmental Systems Research
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Takashi Larkin
DIRECTOR | Facilities & Instrumentation
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Daniel Mercer
RESEARCHER | Long-Horizon Risk
The Founder
Dr. Everett Sloan
Founder, Sonoran Institute for Entropic Research
Dr. Sloan established the Institute’s core research philosophy, that the future could be approached as a system; structured, modelable, and subject to disciplined inquiry, even where outcomes appear uncertain.
“The future is merely a system not yet solved.”
Active Studies
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A scheduled interval in which select rooms, instruments, and prepared materials are made available under monitored conditions. No single task is assigned. Participants may move through the space in any order.
This format is used when the Institute is observing how people locate signal, establish routines, and respond to environments that do not explain themselves.
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A short, bounded trial of a specific procedure. Participants are given a protocol sheet and minimal orientation, then asked to execute the steps as written.
Used to study compliance, interpretation, and error, especially the differences between what a protocol says and what a person does when time, ambiguity, or discomfort enters the system.
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A limited period of presence without an assigned objective. Materials may be present. Prompts may be visible. Engagement is optional.
Used to examine default behavior: avoidance, repetition, attention drift, spontaneous collaboration, and what persists when nothing is demanded.
