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Vision, Innovation, and Oversight

Long-Tenured Team with Extensive Industry Experience

At Lotus Clinical Research, our leadership team brings together decades of experience in clinical development, neuroscience, and metabolic research. With deep roots in both science and operations, they guide our strategic vision, foster innovation, and ensure every sponsor partnership is grounded in expertise, integrity, and results-driven execution.

Executive Team

William Martin, PhD
William Martin, PhD
President
25+ years experience in the biopharmaceutical industry with Alkermes and Pfizer, serving in various roles across 100+ trials (former client).
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Lisa Cox
Lisa Cox
Chief Operating Officer

35+ years of clinical research operations and management experience from the site, CRO, and large pharmaceutical perspectives.

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Erin Tireman, Psy.D.
Erin Tireman, Psy.D.
Vice President, Scientific Solutions

16+ years of clinical research experience across
rater training, sub-investigator roles, clinical operations,
and scientific leadership, with
certification in 125+ psychiatric
and neurologic rating scales.

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Chris Bowman
Chris Bowman
Vice President, Quality Operations

25+ years of industry experience with over 22 years focused in Quality leadership spanning site, CRO, and large pharmaceutical.   

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Senior Management

Alina Beaton, M.D.
Alina Beaton, M.D.
Medical Monitor and Head of Unified Site Methodology
Internal Medicine Physician with 15+ years of clinical and research experience with extensive experience in Placebo Response Mitigation and Unified Site Methodology training.
Erin Berg
Erin Berg
Director, Project Management Head of Early Development Services

14+ years of experience with Phase I clinical trials spanning both clinical site and CRO environments, with expertise in study management and project leadership ensuring successful execution and oversight of early-phase research programs.

Marilyn Greenwalt
Marilyn Greenwalt
Sr. Director, Clinical Operations Training and Project Management

30+ years of clinical research experience across various leadership roles, spanning all Phases of clinical trials and a wide array of indications with deep expertise in CNS, Pain, and Cardiovascular research.

Mark Jaros, Ph.D.
Mark Jaros, Ph.D.
Sr. Vice President, Biostatistics
Doctorate of Biostatistics with 25+ years of biostatistics experience in the pharmaceutical industry.
Cydney Johnson, M.S. - Director of Regulatory Operations
Cydney Johnson, M.S.
Director of Regulatory Operations

10+ years of clinical research experience, with expertise in TMF management, regulatory strategy development, and compliance across clinical trials.

Deirdre Knapp
Deirdre Knapp, Psy.D
Director of Clinical Monitoring

12+ years leading monitoring teams with a focus on data quality, compliance, and trial efficiency across clinical research.

Alicia McLoughlin
Alicia McLoughlin
Controller

15+ years of life sciences and operational finance experience, overseeing finance, contracting, and project budgeting.

Sandra Winsett
Sandra Winsett
Sr. Director of Data Management and Clinical Systems
15+ years of experience in the field of clinical systems, as well as a deep understanding of the intersection between technology and health care.
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William Martin, PhD

William Martin, PhD

President

Dr. Bill Martin is the President of Lotus CRO and has worked in a variety of roles across the biopharmaceutical industry over the last 25 years, including time as a Research Coordinator, Study Monitor, Sub-Investigator and Medical Director. Most recently, Dr. Martin served as Senior Medical Director and Product Leader for Vivitrol® and was a Clinical Development Team Leader across several programs, including Lybalvi® while at Alkermes. Prior to Alkermes, Dr. Martin worked in the Clinical Research and Precision Medicine group at Pfizer. 

Dr. Martin has experience across a broad range of CNS, metabolic and other therapeutic areas and has authored several publications related to his drug development work. In addition to his industry experience, Dr. Martin spent five years working as a clinical researcher at the University of Connecticut Metabolism Unit as well as at a private urology clinical trial center. Dr. Martin has also served as a Senior Advisor to the Longwood Fund since 2019 and has advised numerous groups on new company creation, asset screening as well as serving on scientific advisory boards.

Lisa Cox

Lisa Cox

Chief Operating Officer

Lisa Cox is the Chief Operating Officer overseeing all of operations at Lotus Clinical Research. She brings over 35 years of experience in clinical research operations and management including from the site, CRO and large pharmaceutical perspectives.  Therapeutic areas acute and chronic pain, CNS, cardiovascular, metabolic and early phase trials. She is an enthusiastic, steadfast leader driven by operational excellence and scientific integrity. Lisa has a proven track record in leading cross-functional operation teams in designing and executing domestic and international phase I-IV trials including decentralized clinical trials. Lisa actively works with Lotus project teams to provide strategic direction, leadership, and process optimization to achieve project goals. Lisa has a master’s degree in Psychology.  Lisa previously served as the Chief Operating Officer and Director of Clinical Research at an academically led CRO. 

Erin Tireman, Psy.D.

Erin Tireman, Psy.D.

Vice President, Scientific Solutions

Dr. Erin Tireman is the Vice President of Scientific Solutions at Lotus Clinical Research, where she leads the Scientific Services department. In this role, she oversees global initiatives in rater training and certification, placebo response mitigation, medical writing, centralized and unified site methodology training, scientific consultation, and medical monitoring.

She is a clinical neuropsychologist with over 16 years of industry experience and a diverse clinical background spanning major depressive disorder, PTSD, bipolar disorder, psychotic disorders, ADHD, substance use disorders, and neurodevelopmental and neurologic conditions across the lifespan. Prior to her leadership role at Lotus, she served in multiple capacities within a large clinical trial site network, including as clinical rater, sub-investigator, Director of Clinical Operations, and Director of Business and Clinical Development.

She has extensive expertise in the design and implementation of clinical trials in psychiatry and has led global training and data surveillance strategies across traditional CNS and psychedelic studies. Dr. Tireman has worked across multiple psychedelic compounds, including psilocybin, LSD, DMT, ketamine, and 5-MeO-DMT, supporting trials from Phase 1 to Phase 3. She is a recognized leader in developing scalable programs for rater reliability, participant eligibility adjudication, and placebo effect reduction.

Her approach integrates rigorous quality assurance frameworks, using both quantitative and qualitative data to drive consistency and excellence across scientific programs.

Chris Bowman

Chris Bowman

Vice President, Quality Operations

Christopher Bowman has over 25 years of experience in clinical research spanning regulatory compliance, quality assurance, and clinical management of Phase I through Phase IV studies. Prior to joining Lotus, he held positions as the Director of Clinical Operations for a clinical and regulatory consulting firm and served as the Director of Quality Operations for a large Phase I-IV clinical trial center. Mr. Bowman has extensive knowledge in Federal Regulations and GCP/ICH guidance with over 22 years focused exclusively in the Quality arena, with extensive experience in building company process infrastructure, developing risk assessment procedures/tools, managing/conducting GCP compliance audits including investigational sites, sponsors, CROs, clinical vendors, trial master files, IRBs, and FDA readiness visits both in the U.S. and abroad.  His approach to quality/risk management is ensuring early involvement in governing plan/manual development, building essential risk management plans and Key Performance Indicators to properly assess study performance, and a strong collaboration with core operations study team members.