Expertise, Fully Engaged

The complexity and utility of the work we do helps us attract and retain amazingly talented individuals — folks who don't shy away from a challenge. Our work allows professionals with a high level of expertise to fully apply their skills as they collaborate with talented colleagues on groundbreaking research. 

Our investigators and staff also work closely with leading researchers in the fields of nephrology, statistics, and health outcomes research. These researchers are supported by a dedicated team of technical, scientific and administrative professionals. 


    Scientific/Clinical Investigators Team Description

    Abigail Smith, PhD, MS
    Associate Research Scientist

    David Dickinson, MA
    Vice President, Information and Operations

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


    Alan Leichtman, MD
    Senior Research Scientist

    Gang Liu, PhD
    Associate Research Scientist

    Robert Merion, MD, FACS
    President

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


    Jarcy Zee, PhD
    Research Scientist
    Biostatistics


    Ron Pisoni, PhD, MS
    Senior Research Scientist

    Anca Stefan, PhD
    Associate Research Scientist

    Laura Mariani, MD, MS
    Research Scientist

    Victor Andreev, PhD, DSc
    Lead Investigator, Omics
    Senior Research Scientist
    Bioinformatics


    Bruce Robinson, MD, MS, FACP
    Vice President, Clinical Research

    Lisa Henn, PhD
    Associate Research Scientist

    Research Analysts Team Description

    Alissa Kapke, MS
    Managing Senior Analyst

    Jillian Schrager, MPH
    Research Analyst I

    Nan Ji, MS
    Research Analyst II

    Angelo Karaboyas, MS
    Senior Research Analyst I

    Jonathan Wiseman, MS
    Research Analyst II

    Nathan Goodrich, MS
    Senior Research Analyst I

    Brian Bieber, MPH, MS
    Managing Senior Analyst

    Junhui Zhao, PhD
    Research Analyst II

    Purna Mukhopadhyay, PhD
    Managing Senior Analyst

    Chad Cogan, MS
    Research Analyst II

    Kaitlyn Ratkowiak, MS
    Research Analyst I

    Ramya Naraharisetti, MS
    Health Care Analyst II

    Charles Gaber, MPH
    Research Analyst I

    Keith McCullough, MS
    Senior Research Analyst II

    Sarah Mansfield, MS
    Research Analyst II

    Charlotte Beil, MPH
    Managing Senior Analyst

    Kieran Hawthorne, MS
    Research Analyst II

    Tony Cuttitta, MPH
    Health Care Analyst II

    Charlotte Tu, DrPH
    Senior Research Analyst I

    Lindsay Zepel, MS
    Research Analyst II

    Xin Xin, MA, MS
    Research Analyst II

    Dongyu Wang, MS
    Research Analyst I

    Margaret Helmuth, MA
    Managing Analyst

    Xue Dietrich, MS
    Research Analyst II

    Doug Fuller, MS
    Senior Research Analyst I

    Maria Larkina, MS
    Research Analyst II

    Yan Jin, PhD
    Senior Research Analyst I

    Jane Liu, MPH
    Research Analyst II

    Program/Project Management Team Description

    Aya Inoue, BA, PMP
    Project Manager

    John Graff, PhD, MS
    Program Area Manager, SDCC

    Melissa Fava, MPA
    Project Manager

    Colleen Kincaid, MS
    Project Management Office Director

    Justin Albert, BA
    Program Area Manager, DOPPS

    Michelle Maxim, BA
    Project Manager

    Ellen LaChance, BS
    Project Manager

    Kaden Milkovich, MPA
    Project Manager

    Rachel Tocco, MA
    Project Manager

    Jeffrey Pearson, MS
    Program Area Manager, HP3

    Lalita Subramanian, PhD, MPH
    Program Area Manager, PCR

    Data Services Team Description

    Ankit Salgia, MS
    Programmer II

    Heather Dudek, MS
    Senior Programmer I

    Rachel Forringer, MS
    Information Services Project Manager

    Cherilyn Schlotz, MA
    Programmer II

    Jiawei Xing, MS
    Programmer II

    Robert Brundage, MS
    Programmer II

    Christine Pellar-Kosbar, MS
    Information Services Analyst

    Karen Downing, BS
    Senior Programmer I

    Scott Liening, PhD
    Programmer II

    David Glover
    Database Administrator

    Kimberly Bliss, MSW, JD
    Programmer II

    Shannon Li, MS
    Director of Data Services

    Dawn Zinsser, BA
    Senior Programmer II

    Lisa Renko, BBA
    Senior Programmer I

    Shengqian Li, MA
    Programmer II

    Debra Halbleib
    Programmer II

    Mary Sapienza, MS
    Senior Programmer I

    Umang Patel, MS
    Senior Programmer I

    Dori Bilik, MBA
    Senior Programmer II

    Mateen Siddiqui, BA
    Programmer II

    Victoria Pullen, BA
    Information Services Analyst

    Eloise Anagnost, BS
    Information Services Analyst

    Melinda MacDougall, MS
    Senior Programmer I

    Zach Dietrich, MS
    Programmer II

    Greg Wirth, BS
    Managing Senior Programmer

    Applications Development Team Description

    Ben Guidinger, BS
    Applications Development Manager

    Greg Sommerville, BS
    Senior Applications Programmer I

    Michael Lipham, DMA
    Senior Applications Programmer I

    Ben Sutton, BBA
    Applications Programmer II

    Jack Liao, MS
    Senior Applications Programmer I

    Patrick Callahan, BS
    Senior Applications Programmer I

    Charlie Sirich, MS, MBA
    Senior Applications Programmer I

    Project Support Team Description

    Alison Keesey, MPP
    Project Associate II

    Emily Bramblett, BFA
    Project Associate II

    Michelle Goebel
    Senior Data Entry Specialist

    Amanda Szymanski, BA
    Project Coordinator

    Haley Kehus, BS
    Project Associate II

    Peg Hill-Callahan, BS, LSW
    Clinical Study Process Manager

    Anna Hogan, BS
    Project Coordinator

    Joanne Lord, BA, LPN, CCRC
    Clinical Monitor

    Sayori Suda-Wilson, BS
    Senior Project Associate

    Briaa Robinson, MPH
    Project Coordinator

    Julie Lock, MLitt, BA
    Senior Project Associate

    Sayre Corbin, BA
    Senior Project Associate

    Brian Ronski, BA, BBA
    Project Coordinator

    Kimberly Fox, BA
    Project Associate II

    Stephen Kress, MPP
    Project Coordinator

    Chris Kippola, BS
    Project Associate II

    Kiril Jakimovski, BA
    Project Associate I

    Timothy Buck, BS, CCRP
    Clinical Monitor

    Christina Pustulka, BA
    Project Coordinator/Manager

    Lauren Kane, BA
    Project Associate II

    Trent Johnson
    Data Entry Specialist

    Danielle Norman, BA
    Project Associate II

    Melissa Sexton, BBA, CCRP
    Clinical Monitor

    Yuko Schoenberg, BS
    Senior Project Associate

    Publications & Communications Team Description

    Heather Van Doren, MFA
    Coordinating Senior Editor

    Jessica Petras, BA
    Communications Assistant

    Shauna Leighton, BA
    Medical Editor II

    Jennifer McCready-Maynes, BA
    Medical Editor II

    Katherine Pearson, MPP
    Manager of Communications & Publications

    Administration Team Description

    Alyssa Clair, BA
    Administrative Assistant II

    Deborah Vandermade, BBA
    Operations Manager

    Lia Floreno, BA
    Human Resource Specialist

    Brianna Hubbard, BS
    Receptionist

    Dennis Roy, MBA
    Client Development Specialist

    Sandra Moran
    Executive Assistant

    Celeste Bremmer, BS, BA
    Operations Coordinator

    Glenda Ward, MS
    Accountant

    Sarah Boggio, BA
    Human Resource Generalist

    Colette Cloyd
    Executive Coordinator to the President

    Jenifer Horn, BA, JD
    Compliance and Contracts Administrator

    Sharon Karaboyas, BA
    Business Development Manager

    Courtney Erickson, BA, PHR
    Human Resource Manager

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

    Tiffany Gavorek
    Accounting Specialist

    IT Support Team Description

    Abul Foej, MIT
    IT Support Specialist

    Josh Brucksch, BBA
    Systems Administration Specialist

    Saurabh Patel, BS
    Senior Systems Administrator

    Daniel Vandermade, BBA
    Desktop Administrator

    Robert Droppleman, MS
    Network Services Manager