For over 40 years, we have served clients in government, academia, and the private sector— delivering evidence-based solutions to drive outcomes that improve public health worldwide.

From policy formulation to technical assistance, our programs span the full spectrum of public health services with a focus on improving the effectiveness and efficiency of delivery.

Peer-reviewed publications authored
20 years
Workplace excellence award


We provide support that enables policymakers, medical professionals, communities, and citizens to improve public health.

  • Clinical Research Services

    Our management and operational support for clinical and bioscience research programs and clinical trials expedite the availability of safe and effective therapeutics.

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  • Epidemiology and Public Health Studies

    We design and conduct domestic and international epidemiologic studies examining associations between a wide range of environmental, occupational, and lifestyle exposures and chronic diseases, reproductive health, and other health outcomes.

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  • Health Data Management and Analysis

    We create software systems to manage clinical data, facilitate real-time data reporting and analysis, manage large-scale epidemiologic study data, and provide statistical programming and data analysis for health research—including national-level Medicare and Medicaid payment systems.

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  • Health Information Technology

    Our health information technology solutions enhance research coordination, systems integration, data analytics, data dissemination, and health communication. We operate at CMMI-DEV Level 3.

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  • Program Evaluation and Policy Analysis

    SSS designs and conducts scientifically sound evaluations, research, and policy analyses that our clients use to develop successful programs and policies for addressing pressing public health issues.

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Latest News

Clinical Trial of Bactericidal Activity of Different Doses of Medication on Drug-resistant TB

An ACTG clinical trial examines the optimal dose of isoniazid for patients with isoniazid-resistant tuberculosis.


Self-reported vs. Measured Sleep Duration among African-American Adults

Jackson Heart Study participants’ self-assessments of sleep factors varied from objectively measured sleep.




- 1 day ago

DLH is seeking a Business Development Professional to lead the business development and capture activities for our… https://t.co/JDy44oCAEH

Adherence to National Asthma Guidelines

An article examines allergists’ and pulmonologists’ adherence to the National Asthma Education and Prevention Program’s Third Expert Panel Report.


Lower Urinary Tract Symptoms Associated with Benign Prostatic Hyperplasia

Medication use increased and surgery decreased during the study period, and younger men were more likely to elect less invasive surgical options.


Hormonal Activity in Menstrual Cycles of Early Postmenarchal Girls

A study compares certain reproductive hormones in girls and regularly cycling adults.


Join our Team and Our Mission to Improve Public Health

Year after year, the Alliance for Workplace Excellence has recognized our commitment to employee health and wellness, personal and professional growth, and creating an inclusive and resource-efficient work environment.

Are you ready to be part of our team ?