Our Team

Executive Leadership

The Arbor Research executive team is responsible for setting and fulfilling the organization's mission, vision, and strategic plan. Each vice president oversees a distinct Arbor Research domain and its respective managers and staff.

  • Robert Merion, MD, FACS Robert Merion, MD, FACS
    Lead Investigator, SDCC

  • Bruce Robinson, MD, MS Bruce Robinson, MD, MS
    Vice President, Clinical Research
    Lead Investigator, DOPPS

  • Colleen Kincaid, MS Colleen Kincaid, MS
    Vice President, Operations

  • David Dickinson, MA David Dickinson, MA
    Vice President, Information

  • Karen Crow, BS, CPA, CGMA Karen Crow, BS, CPA, CGMA
    Vice President, Finance

Program Area Leadership

Lead investigators and program area managers are responsible for the leadership of their respective program area, including development of the program area's vision, strategic plan, and business development efforts. These individuals also provide high-level oversight to the projects within the program area, and work together to oversee projects that cross program areas.

  • Dialysis Outcomes and Practice Patterns
    Program Area (DOPPS)

    Bruce Robinson, MD, MS Bruce Robinson, MD, MS
    Vice President, Clinical Research
    Lead Investigator, DOPPS

  • Health Policy and Practice
    Program Area (HP3)

    Marc Turenne, PhD Marc Turenne, PhD
    Senior Research Scientist
    Health Economics/Health Services Research
    Lead Investigator, HP3

  • Scientific & Data Coordinating Centers
    Program Area (SDCC)

    Robert Merion, MD, FACS Robert Merion, MD, FACS
    Lead Investigator, SDCC

  • Justin Albert, BA Justin Albert, BA
    Program Area Manager, DOPPS

  • Jeffrey Pearson, MS Jeffrey Pearson, MS
    Program Area Manager, HP3

  • John Graff, PhD, MS John Graff, PhD, MS
    Program Area Manager, SDCC

Clinical & Scientific Investigators

Our multidisciplinary research team collaborates in the development of protocols, study designs, analyses, and policies. Investigators contribute collaboratively to the synthesis of results for reports, manuscripts, abstracts, presentations, and other mechanisms for disseminating research results.

  • Abigail Smith, PhD, MS Abigail Smith, PhD, MS
    Research Scientist

  • Alyssa Pozniak, PhD Alyssa Pozniak, PhD
    Senior Research Scientist
    Health Economics/Health Services Research

  • Angelo Karaboyas, PhD, MS Angelo Karaboyas, PhD, MS
    Associate Research Scientist

  • Eric Lammers, PhD Eric Lammers, PhD
    Research Scientist
    Health Economics/Health Services Research

  • Eric Young, MD, MS Eric Young, MD, MS
    Senior Research Scientist

  • Jarcy Zee, PhD Jarcy Zee, PhD
    Research Scientist

  • Keith McCullough, PhD, MS Keith McCullough, PhD, MS
    Research Scientist

  • Lisa Henn, PhD Lisa Henn, PhD
    Research Scientist

  • Roberto Silva Pecoits Filho, MD, PhD, FACP, FASN Roberto Silva Pecoits Filho, MD, PhD, FACP, FASN
    Senior Research Scientist

  • Ron Pisoni, PhD, MS Ron Pisoni, PhD, MS
    Distinguished Research Scientist

  • Victor Andreev, PhD, DSc Victor Andreev, PhD, DSc
    Senior Research Scientist

Analytic Services

Quantitative and qualitative analytic services at Arbor Research are provided by research analysts and health analysts. Research analysts are proficient in a variety of statistical techniques, including regression, survival analysis, longitudinal methods, hierarchical methods, and power analysis. Health analysts specialize in qualitative and mixed methods research with training and experience in population health, social determinants of health, health care, patient experience, and multi-level interventions.

  • Alissa Kapke, MS Alissa Kapke, MS
    Managing Senior Analyst

  • Brian Bieber, MPH, MS Brian Bieber, MPH, MS
    Managing Senior Analyst

  • Chad Cogan, MS Chad Cogan, MS
    Senior Research Analyst I

  • Charlotte Beil, MPH Charlotte Beil, MPH
    Managing Senior Analyst

  • Charlotte Tu, DrPH Charlotte Tu, DrPH
    Senior Research Analyst I

  • Daniel Muenz, PhD Daniel Muenz, PhD
    Senior Research Analyst I

  • Dongyu Wang, MS Dongyu Wang, MS
    Research Analyst II

  • Doug Fuller, MS Doug Fuller, MS
    Senior Research Analyst II

  • Jane Liu, MPH Jane Liu, MPH
    Senior Research Analyst I

  • Jillian Schrager, MPH Jillian Schrager, MPH
    Research Analyst II

  • Jonathan Wiseman, MS Jonathan Wiseman, MS
    Research Analyst II

  • Junhui Zhao, PhD Junhui Zhao, PhD
    Senior Research Analyst I

  • Kaitlyn Repeck, MS Kaitlyn Repeck, MS
    Research Analyst II

  • Katherine Hanslits, MPH Katherine Hanslits, MPH
    Research Analyst II

  • Kieran Hawthorne, MS Kieran Hawthorne, MS
    Research Analyst II

  • Marcelo Lopes, MD, PhD, MPH Marcelo Lopes, MD, PhD, MPH
    Research Analyst II

  • Margaret Helmuth, MA Margaret Helmuth, MA
    Managing Senior Analyst

  • Nan Ji, MS Nan Ji, MS
    Research Analyst II

  • Nathan Goodrich, MS Nathan Goodrich, MS
    Senior Research Analyst II

  • Purna Mukhopadhyay, PhD Purna Mukhopadhyay, PhD
    Managing Senior Analyst

  • Rebecca Mandell, PhD, MS Rebecca Mandell, PhD, MS
    Senior Health Analyst

  • Sarah Mansfield, MS Sarah Mansfield, MS
    Senior Research Analyst I

  • Yan Jin, PhD Yan Jin, PhD
    Senior Research Analyst II

  • Zhechen Ding, MS Zhechen Ding, MS
    Research Analyst I

Project Management Office

The Arbor Research project management office (PMO) is made up of project managers, coordinators, associates, and clinical monitors. Project managers provide high-level oversight and direction to functional teams working on the project to ensure work priorities and approaches align with the overall research goals and budget of the project. Project coordinators and associates assist in carrying out day-to-day implementation and administration of the various studies under way at Arbor Research through facilitation of communication with participating research centers, external collaborators, and sponsoring agencies. Clinical monitors work closely with the research centers and investigators to ensure appropriate clinical implementation of study protocols, and with data and analytic services to ensure data quality.

  • Amanda Szymanski, BA Amanda Szymanski, BA
    Project Manager

  • Anna Hogan, BS Anna Hogan, BS
    Project Manager

  • Ashya Smith, BA Ashya Smith, BA
    Project Associate II

  • Aya Inoue, BA, PMP Aya Inoue, BA, PMP
    PMO Manager

  • Brian Ronski, BA, BBA Brian Ronski, BA, BBA
    Senior Project Coordinator

  • Chris Kippola, BS Chris Kippola, BS
    Project Coordinator

  • Ellen LaChance, BS Ellen LaChance, BS
    Senior Project Manager

  • Haley Jackson, BA Haley Jackson, BA
    Project Associate II

  • Hannah Leinonen, BS Hannah Leinonen, BS
    Project Associate II

  • Joanne Lord, BA, LPN, CCRC Joanne Lord, BA, LPN, CCRC
    Clinical Monitor

  • Kaden Milkovich, MPA Kaden Milkovich, MPA
    Project Manager

  • Melissa Fava, MPA, PMP Melissa Fava, MPA, PMP
    Senior Project Manager

  • Melissa Sexton, BBA, CCRP Melissa Sexton, BBA, CCRP
    Clinical Monitor

  • Michelle Goebel Michelle Goebel
    Senior Data Entry Specialist

  • Ryan Haas, BA Ryan Haas, BA
    Project Associate I

  • Sayori Suda-Wilson, BS Sayori Suda-Wilson, BS
    Senior Project Associate

  • Yuko Schoenberg, BS Yuko Schoenberg, BS
    Senior Project Associate

Data Services

Programmers and database developers on the data services team contribute expertise in health care informatics, data architecture, analytic programming, and reporting. They also contribute to the design of data capture systems and instruments, as well as the processes necessary to acquire and link existing administrative or externally collected data into analytic data systems.

  • Ankit Salgia, MS Ankit Salgia, MS
    Programmer II

  • Bryan Simmons Bryan Simmons
    Programmer II

  • Debra Halbleib Debra Halbleib
    Senior Programmer I

  • Dori Bilik, MBA Dori Bilik, MBA
    Senior Programmer II

  • Greg Wirth, BS Greg Wirth, BS
    Managing Senior Programmer

  • Heather Dudek, MS Heather Dudek, MS
    Senior Programmer I

  • Jiawei Xing, MS Jiawei Xing, MS
    Senior Programmer I

  • Karen Downing, BS Karen Downing, BS
    Senior Programmer I

  • Lisa Renko, BBA Lisa Renko, BBA
    Senior Programmer I

  • Sabrina Zhang, MPH, MS Sabrina Zhang, MPH, MS
    Programmer II

  • Shannon Li, MS Shannon Li, MS
    Director of Data Services

  • Shengqian Li, MA Shengqian Li, MA
    Programmer II

  • Wenbin Ji, PhD Wenbin Ji, PhD
    Programmer II

  • Xue Dietrich, MS Xue Dietrich, MS
    Programmer II

  • Zach Dietrich, MS Zach Dietrich, MS
    Senior Programmer I

Applications Development & Services

These staff design custom software, including tools to communicate research findings and implement protocols for data capture and study management. They develop Windows and web-based applications, as well as tools to help staff leverage off-the-shelf products.

  • Ben Guidinger, BS Ben Guidinger, BS
    Applications Development Manager

  • Ben Sutton, BBA Ben Sutton, BBA
    Senior Applications Programmer I

  • Beth Kirschner, BS Beth Kirschner, BS
    Applications Services Manager

  • Charlie Sirich, MS, MBA Charlie Sirich, MS, MBA
    Senior Applications Programmer I

  • Christine Pellar-Kosbar, MS Christine Pellar-Kosbar, MS
    Information Services Analyst

  • Jack Liao, MS Jack Liao, MS
    Senior Applications Programmer I

  • Michael Lipham, DMA Michael Lipham, DMA
    Senior Applications Programmer I

  • Rachel Forringer, MS Rachel Forringer, MS
    Information Services Project Manager

  • Victoria Pullen, BA Victoria Pullen, BA
    Information Services Analyst

Publications & Communications

The publications & communications team works closely with investigators and analysts to coordinate and finalize manuscripts for journal submission, ensuring that all requirements are met throughout the peer-review and publication process. The team also edits proposals, reports, abstracts, and other research-based publications and public facing organizational communications.

  • Heather Van Doren, MFA Heather Van Doren, MFA
    Senior Medical Editor

  • Jennifer McCready-Maynes, BA Jennifer McCready-Maynes, BA
    Medical Editor II

  • Shauna Leighton, BA Shauna Leighton, BA
    Medical Editor II

IT Services

The information technology [IT] team manages the Arbor Research computing environment and provides technology support to all end users, including employees and collaborators. The team is also responsible for implementing security services and maintaining compliance with security standards and regulations.

  • Abul Foej, MIT Abul Foej, MIT
    IT Support Specialist

  • Daniel Vandermade, BBA Daniel Vandermade, BBA
    Desktop Administrator

  • Josh Brucksch, BBA Josh Brucksch, BBA
    Systems Administration Specialist

  • Kashish Jaiswal, MS Kashish Jaiswal, MS
    Senior Network Administrator

  • Saurabh Patel, BS Saurabh Patel, BS
    Network Services Manager


The administrative functions at Arbor Research include finance, grants and contracts administration, compliance, business operations, facilities, and human resources. The members of these departments work together to support the diverse needs of employees and external parties.

  • Colette Cloyd Colette Cloyd
    Executive Coordinator to the President

  • Courtney Kupres, BA, PHR Courtney Kupres, BA, PHR
    Human Resource Manager

  • Curt Esper Curt Esper
    Facilities Manager

  • Glenda Ward, MS Glenda Ward, MS
    Senior Financial Analyst

  • Joanna Luan, MS Joanna Luan, MS
    Financial Analyst

  • Katie Shi, MS Katie Shi, MS

  • Lynda Little, BA, SHRM-CP Lynda Little, BA, SHRM-CP
    Human Resource Specialist

  • Matt Wladkowski, MS, MBA Matt Wladkowski, MS, MBA
    Interim Compliance and Proposal Coordinator

  • Renee Seils, BS Renee Seils, BS
    Administrative Assistant II

  • Sandra Moran Sandra Moran
    Executive Assistant

  • Sarah Boggio, BA Sarah Boggio, BA
    Human Resource Generalist

  • Sarah Mason, JD Sarah Mason, JD
    Grants & Contracts Counsel