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about us

Colorado Teens For Vaccines is a teen-led volunteer organization that empowers young people to become invested in their health and that of their communities. Through peer-to-peer advocacy, we educate adolescents about vaccines and the importance of having educated conversations on a broader community scale.

meet our team

meet our team
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 Lily Lemme (she/her) 
Co-founder, Director 
 Kate Seneshen (she/her) 
Co-founder, Director 
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 Emma Seneshen (she/her) 
  Tiffany Williams (she/her) 
Social Networker 
 John (Harry) Lin (he/him) 
Health Equity Coordinator 
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 Cody Campos (he/him) 
Website & Content Creator 
 Claire Malik (she/her) 
Content Creator 
 Ann Vanderveen (she/her) 
Content Creator/Blog 
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 Millie Brophy (she/her) 
Content Creator 
 Lydia Brieske (she/her) 
Content Creator 
 Harvey Rainwater (he/him) 
Content Creator 
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 Zohar Heiman (she/her) 
Video Creator 
 Bridget Kim (she/her) 
Content Creator 
Sofía Staley (she/her)
content creator 


meet our mentors

 Jamie D'amico (she/her) 
Public Health Nurse Consultant
Oct 2020 - present
 Emily Clancy (she/her) 
Communications Director
Immunize Colorado
May 2021 - present
 Kate Matlin (she/her) 
Public Health Associate
Immunize Colorado 
Jan 2021 - present
 Salymata Mbengue (she/her) 
Vaccine Equity Outreach Coordinator
Immunize Colorado
June 2021 - present
 Olivia Stitilis (she/her) 
COVID-19 Vaccine Campaign Director
CDPHE Contractor
November 2021 - present
We are so grateful to our past mentors:
 Amy Bell (she/her) 
Immunize Colorado
Jan-June 2021

 Ellie Dullea (she/her) 
Immunize Colorado
Jan-June 2021

 Seth Davis 
CDPHE Contractor
May-August 2021

meet our mentor
our history anchor

our history

Lily Lemme and Kate Seneshen founded Colorado Teens for Vaccines in September of 2020.

Interested in public health as a result of the COVID-19 pandemic, we began to look into the importance of vaccination. In our initial research and needs assessment, we discovered that Colorado has historically low vaccination rates. We became curious as to why, and more importantly, what could we do to help?


After meeting with various public health professionals, we learned that a major source of low vaccination rates is vaccine hesitancy: ​​the delay in acceptance of vaccines despite the availability of vaccine services. We learned that the majority of Coloradans know that vaccines are safe and effective. However, this majority is not as vocal or well-organized as the minority, those who support and spread anti-vaccine sentiments. In an effort to inflict positive change in our community, we decided to empower the voices of the majority who recognize the benefits of vaccination. 


Knowing the influential reach of social media as a digital advocacy tool, we launched an Instagram account and accumulated followers with educational posts about topics like HPV and the COVID-19 Vaccine. We networked with public health professionals (many of  whom later became mentors), recruited teen volunteers, and presented our cause to a vaccine coalition. Throughout our journey we have focused on the effectiveness of peer-to-peer advocacy (teens talking to teens) in uniting towards the common goal of better personal and community health across Colorado.

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