About Us
Kathi Cullari
CEO
Meet our High-Impact Team
Our senior-level experts work with clients around the world, helping them align stakeholders and build meaningful engagement. As we’ve grown, we’ve stayed true to what our clients value most: personalized service, thoughtful strategies, and results driven by passion, expertise, and experience.
Leadership Team
Kathi Cullari
Founder & CEO
With over two decades of experience in government, trade associations, and the private sector, Kathi founded CCG in 1997 to better unify and represent the patient voices.
Jenifer Wagner
COO
Jenifer has been with CCG for over 25 years and is a skilled strategist for CCG clients. She also serves as the firm’s COO, overseeing team coordination, talent acquisition, and quality assurance.
Jayme McCormick
Global Affairs Lead
Tiffany Nagle
North America Lead
Tiffany’s experience in non-profit senior management at both the American Diabetes Association and American Cancer Society fully prepared her to excel in diverse stakeholder relations.
George Guido
Strategy Lead
With over 30 years of experience, George drives fully integrated national and international stakeholder engagement, public affairs, PR, advocacy, and communication campaigns.
Michelle Gillespie
Public Relations Lead
Michelle has more than 25 years of proven experience in public relations, public affairs, and stakeholder engagement. She is a skilled strategist with a track record of devising successful campaigns.
Victoria Kennedy
Oncology Lead
Vicki delivers innovative oncology care by developing and executing patient engagement strategies that define patient value, enhance quality of life, and improve health outcomes.
Steve McCormick
Global Comms
As an award-winning broadcast journalist and news producer, Steve McCormick has over 25 years of experience and nearly 20 years with BBC News.
Nick James
Global Health PR
Nick has extensive experience in providing multi-country media and public relations consulting services in ethical and consumer healthcare.
Tom Parker
Global Health Policy
Tom brings over 20 years of experience to CCG with deep knowledge of European public policy and the broader corporate affairs environment.
Jennifer K. Berzok, JD
Health Policy
Jennifer K. Berzok, JD, is a dynamic and passionate leader with 30 years of experience in relationship building and advancing federal health care and disability policy on and off Capitol Hill.
Samantha Willner, MPH
Patient Advocacy
Samantha is a seasoned patient advocacy consultant and biotech expert with a broad background in strategic relationship building, healthcare education, and patient engagement.
Jill Piper
Patient Advocacy
Jill is an experienced patient advocacy & communications consultant driven by a commitment to amplifying the patient voice & strengthening connections between science & people it serve.
Emily Bonaparte
Public Affairs
Emily is a public affairs professional with a decade of expertise in grassroots and stakeholder engagement, digital innovation, media relations, and advocacy campaigns.
Stephen Graves
Facilitation
As a talented and versatile professional, Stephen demonstrates an unwavering commitment to serving others while possessing the attributes of a transformative leader.
Elizabeth Bates
Patient Panels
Elizabeth is an industry veteran with over 20 years of dynamic, cross-functional leadership, advocacy development and market access delivering top-tier advocacy support for our clients.
Susan Manns
Health Policy
Susan Manns offers CCG’s clients Health Care Policy Strategy. She researches and analyzes policy issues and provides clients with strategic advice and resources to manage health care priorities.
Catie de Montille
Integrated Comms
Catie has over a decade of experience in designing, leading, and executing integrated marketing and comms strategies for various corporate, foundation, gov, and non-profit orgs.
Lee-Ann Murphy
Corporate Comms
Known for driving clarity, alignment, and confidence at moments that matter most, Lee‑Ann Murphy brings more than 20 years of experience shaping and executing strategies for pharma and biotech.
Andrew Rittler
Digital Advocacy
Andrew Rittler is a seasoned professional in public affairs, advocacy, and communications, with specialized expertise in digital strategy, engagement, analytics, and event planning and tracking.
Silvina Martinez
Health Comms
Silvina Martinez builds sustainable partnerships with advocacy and community-based organizations, business groups, elected officials and the media. Silvina helps clients cross ethnic and cultural lines.
Chris Lato
Patient Advocacy
A strategic comms professional with over 25 years of experience, Chris’s specialties include public and media relations, grassroots and stakeholder engagement, event planning, and marketing.
Stephanie Darwak
Stakeholder Relations
Stephanie helps CCG’s clients to achieve their objectives in state and federal health policy through comprehensive stakeholder engagement that includes coordinated advocacy and media.
Cindy Komar
Patient Advocacy
Cindy is a dynamic and innovative leader in patient and public policy, driven by a passion for amplifying patients’ voices, improving access to specialty healthcare and innovative medication therapies.
Alix Floyd
Stakeholder Relations
Alix drives stakeholder engagement and improves corporate positioning through partnership development, issues and crisis management and strategic corporate comms.
Samantha Darwak
Patient Advocacy
Samantha supports the marketing priorities of CCG clients across the US, focusing on state and federal issues. She has experience at the international, national, and state levels.
Tim Nagle
Complex Coordination
Tim joins CCG with a strong background in customer relationship management and marketing. with expertise in digital marketing and compliance process management.
Jennifer Wilson
Public Affairs
Jennifer has nearly 20 years of expertise as a public affairs and advocacy professional. She combines her health policy background with skillful relationship building.
Elaine Sachette
Events Execution
Elaine supports CCG clients on the management and execution of events and trainings, as well as issue-driven research, stakeholder recruitment and project management.
At CCG, our purpose is rooted in a simple belief: when you build trust, listen closely, and bring the right people together, meaningful change is possible.
We help health-focused organizations communicate clearly and engage authentically, drawing on deep expertise and trusted networks at the state, national, and global levels. By elevating the voices of patients and caregivers and creating space for decision-makers to hear directly from those most affected, we help foster understanding, inspire action, and drive progress across the healthcare ecosystem.
Our core values shape every partnership, project, and interaction, ensuring we deliver exceptional service and foster a positive, supportive environment for our team.
CCG is built on a foundation of unwavering commitment— to our clients, to patients and caregivers, to the broader healthcare community, and to one another.
These values are the heart of CCG—guiding our actions, inspiring our work, and driving positive change for the communities we serve
Integrity
We keep our word and always do what is right.
