Our Team

Young Invincibles grew up in a law school cafeteria in Washington, DC, after co-founders Ari Matusiak, Aaron Smith and a few friends realized that young people’s voices were not being heard in the health care debate. We always do our work in partnership with other organizations and committed individuals across the country. If you want to partner with us on any of our work, please let us know. We would love to work with you.

Would you like a staff member from Young Invincibles to speak at your event? If so, click here!

Come meet them the folks who make up the YI team!

Washington, DC Office

  • Jen Mishory, Executive Director
  • Tobin Van Ostern, Advisor for Strategic Partnerships
  • Marcus Braxton, Senior Director of Operations & Finance
  • Raychl Speigner, Development Director
  • Brittany Alexander, Development Coordinator
  • Andrew Tarquinio, Development Coordinator
  • Clarissa Unger, Director of Partnerships
  • Hillary Farrow, Business Development Manger
  • Michael Madoff, Director of Product Development
  • Spencer Dixon, Partnerships Coordinator
  • Neah Morton, Strategist
  • Krieg Rajaram, State Outreach Coordinator

West Office

Rocky Mountain Office

Midwest Office

Northeast Office

Southern Office


Kelly Hernandez, Policy Fellow (Washington, DC Office)
Sarah Nesbitt, Policy Fellow (Southern Office)
Mychael Vanarasdale, Organizing Fellow (Midwest Office)


Washington, DC Office

Jen Mishory, Executive Director

image Jen Mishory is the Executive Director and a founding staff member of Young Invincibles. Jen has conducted extensive research and authored numerous reports on health, higher education, and economic issues facing the Millennial generation. She has testified before Congress in both the House and Senate on the issue of financial aid and student loans, and served as a member of the inaugural Consumer Advisory Board of the CFPB. She also served as the consumer advocacy negotiator for the Department of Education’s 2012 negotiated rulemaking around student loans, and previously served as a consumer representative for the National Association of Insurance Commissioners, where she worked with Insurance Commissioners around the country to ensure strong consumer protections in the health care industry for young people.

Jen has appeared in the New York Times, the Wall Street Journal, CNN, NPR, and PBS, among other media outlets. Jen graduated with honors from UCLA in 2007 and received her J.D. from Georgetown University Law Center in 2010. She is admitted to the California bar. Jen hails from Los Angeles, CA, and is an avid fan of all UCLA sports teams.

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Aaron Smith, Senior Strategic Advisor & Co-Founder   

ASheadshotAaron is a native of Yonkers, New York, an honors graduate of Swarthmore College (’04), and a cum laude graduate of Georgetown University Law Center (’10). After college, Aaron interned in the office of Congressman Chris Van Hollen and then worked for Emmaus Services for the Aging, a non-profit working to keep seniors in their homes in DC. He served as campaign manager for a State Assembly race in Yonkers in 2006, and went on to become the chief legislative aide for the Yonkers City Council President. While serving the city, Aaron helped to author a local living wage law and an affordable housing ordinance, and to create the first Yonkers Green Policy Task Force to promote environmentally friendly policies for the city.

Since co-founding YI, Aaron has appeared in the NY Times, Wall Street Journal, Washington Post, MSNBC, Fox News, CNN, Politico, and PBS NewsHour, among other media outlets, discussing a variety of issues impacting young Americans from the cost of college to unemployment to health care. In December 2010, he testified before the Senate Commerce Committee, and has met repeatedly with President Obama and top lawmakers around critical youth policy issues. Aaron was selected as a young Jewish leader as part of the Jeremiah Fellowship in 2011, was a Politic365 Game Changer in 2012, and is a member of the Young Entrepreneur Council. Aaron believes strongly in the power of young Americans to change the world. He also serves as the President of YI Advisors, the Millennial engagement consulting arm of Young Invincibles.   

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Rory O’Sullivan, Deputy Director

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Rory is the Deputy Director at Young Invincibles where he directs the organization’s policy and advocacy strategy. He is an expert in a variety of issues related to young adults including federal financial aid, skills acquisition, youth employment, health insurance coverage, and consumer information.

Rory serves on the Board of Directors for the Campaign for College Opportunity. He was also the student negotiator for the Department of Education’s 2013 negotiated rulemaking on the gainful employment regulations.

His work has appeared in the New York Times, the Wall Street Journal, NPR, MSNBC, Reuters, Business Week, and the LA Times among others. He graduated from Pomona College in 2006 with a B.A. in Philosophy, Politics, and Economics, and completed a joint J.D./M.P.P. in 2011 at Georgetown University.

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Tom Allison, Deputy Director of Policy & Research

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Tom Allison is the Deputy Policy & Research Director at Young Invincibles, responsible for the organization’s research and data analysis, products ranging from major econometric reports to monthly data pulls and fact sheets about young adults in the economy, health care, and education. His specialties include federal education statistics, state higher education budgets, survey design and implementation, focus groups, temporal analyses, and demographic comparison research.

Tom brings a communications acumen to his work as well, understanding that even the best research will fall short of its goals without a concerted communications strategy. He’s appeared live on MSNBC, and been quoted in the Washington Post, Wall Street Journal, The Atlantic, Vox, Forbes, and others.

Tom earned his bachelor’s degree from the University of Mary Washington and his Master of Public Policy from the Trachtenberg School of Public Policy at George Washington University.

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Christina PostolowskiRocky Mountain Regional Director


Christina Postolowski serves as YI’s Rocky Mountain Regional Director. She is also a member of the national policy team, leading the organization’s work on health care and on Millennial parents. While at YI, Christina has engaged in federal and state policy research, writing and advocacy on issues ranging from federal financial aid reform to the health needs of Millennial parents.

A native of Colorado, Christina holds a J.D. from Georgetown Law and an A.B. from Princeton University. Prior to attending law school, Christina worked for the Colorado Division of Real Estate and Division of Insurance, where she helped to create and administer regulatory programs to protect consumers. Christina also has legal and policy experience in the fields of immigration and women’s rights.

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Marcus Braxton, Senior Director of Operations & Finance

Marcus is the Senior Director of Operations and Finance at Young Invincibles and oversees the organization’s finances and general operations. Marcus has over eight years of experience in the nonprofit sector and is an expert in nonprofit governance, compliance and operations.

Marcus has previously worked for organizations in the social sector such as Arabella Advisors, a philanthropic consulting firm where he managed approximately $25 million in various philanthropic initiatives, and the Pew Charitable Trusts where he supported the organization’s fundraising efforts.

Marcus is a graduate of Rhodes College and is currently pursing his MBA from Johns Hopkins University. He is originally from Tennessee and enjoys spending free time relaxing at home and catching up with friends.

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Tobin Van Ostern, Advisor for Strategic Partnerships

Tobin 2As the Advisor for Strategic Partnerships, Tobin manages external partnerships that help advance the organization’s mission to expand opportunities for young Americans. He previously was the Deputy Director of Campus Progress, a project of the Center for American Progress. There he focused on overseeing the development of policy recommendations that help young adults and the coordination of the government affairs work that leads to their enactment.

Prior to his work at the Center for American Progress, Tobin was the co-founder and National Director of the official student wing of the Obama for America Campaign.

He is a graduate of The George Washington University where he received a B.A. in International Affairs and specialized in conflict and security studies. He has been interviewed or written about by ABC News, Associated Press, CBS News, CNN, C-SPAN, Fox News, Inside Higher Ed, NPR, PBS, Politico, RealClearPolitics, techPresident, The Hill, The Nation, The Washington Post, TIME MagazineUnivision, and others. Tobin also serves as the Vice President of YI Advisors, the Millennial engagement consulting arm of Young Invincibles. 

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Eve Rips, Director of Regional Strategy

EREve Rips is the Director of Regional Strategy for Young Invincibles, where she is responsible for leading YI’s regional teams, coordinating regional work with national YI teams, and running multi-state campaigns to advance YI priorities.

She initially joined YI as Midwest Director, where she launched the Chicago-based office and built out YI’s presence in the region. Before starting with Young Invincibles, Eve was a legal fellow and attorney with the Chicago Lawyers’ Committee for Civil Rights Under Law, where her work focused primarily on issues of educational equity in Chicago, and included components of impact litigation, direct representation, and policy work.

She received her juris doctorate from the University of Chicago Law School in 2012 and her BA from Stanford University in philosophy with honors in ethics in society.

Raychl Speigner, Development Director

unnamedRaychl is the Development Director for Young Invincibles, where she is responsible for leading and managing the foundation relations efforts to reach fundraising targets.

Prior to working at Young Invincibles, Raychl worked for the nonprofit KaBOOM! as the Coordinator of Foundation Relations. She  was very dedicated to ensuring that all kids get the childhood they deserve through play. In this role, Raychl wrote grant proposals, letters of inquiry, cultivated new foundation partnerships, developed and managed program budgets, and worked with individual donors. Raychl also has experience working in Community Relations for the Cleveland Cavaliers, Cleveland Browns and National Basketball Association. Raychl has a M.S. in Sport Management from California University of Pennsylvania and a B.S. in Sports & Leisure Humanities from The Ohio State University.

Raychl is a Cleveland native and a diehard sports fan. She spends her time watching Cleveland sports, Ohio State football, shopping, traveling to beauty tradeshows and learning how to cook.

Colin Seeberger, Strategic Campaigns Advisor

DSC00356Colin Seeberger is Young Invincibles’ Strategic Campaigns Advisor, leading public education and outreach efforts around higher education reform and the 2016 elections. Colin formerly served as Young Invincibles’ Press Secretary where he led the daily execution of the organization’s media outreach strategy. Colin came to Young Invincibles from BerlinRosen Public Affairs’ National Public Affairs practice, where he worked with clients dedicated to social and economic justice. He also worked with Grindstone Research during the 2012 and 2014 campaign cycles.

Colin studied Political Management with a concentration in Strategic Communications at George Washington University’s Graduate School of Political Management and graduated summa cum laude from Pace University’s Pforzheimer Honors College in New York City. He is a native of Dallas, Texas, the home of his beloved Dallas Cowboys, and enjoys cycling.

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Erin Hemlin, Director of Training and Consumer Education


Erin Hemlin, Director of Training and Consumer Education, grew up in Sugar Land, Texas just outside of Houston. She has a B.A. in Political Science from St. Edward’s University (‘08), and a M.A. in Political Science with a focus in American Politics and Government from George Mason University (’12).

After moving to the Washington, DC area, Erin interned for the Congressional Research Service where she contributed to CRS reports in government operations, such as reports on the demographics of Members of Congress, rules and authorities of committees, committee expenditures, and other areas of congressional administration. She later worked as a legislative research intern for The Sheridan Group, a DC-based advocacy and government relations firm dedicated to social change. At The Sheridan Group, Erin focused on federal education policy, technology-based economic development, poverty, and other domestic social issues.

In her position as Health Care Campaign Director, Erin manages the outreach strategy for YI’s Healthy Young America campaign, as well as the on-the-ground organizing work across the nation. She also contributes research, analytical, and writing skills to the policy team on public policy questions affecting young adults. 

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Jasmine Hicks, National Field Director

Jasmine Hicks is the National Field Director at Young Invincibles. She works with students and organizations around the country to make sure young people’s concerns are being heard. Jasmine grew up in Boston, Massachusetts, where she worked for the 3 years as the director of the Young Civic Leaders program at MassVOTE. She organized high school students around civic engagement, and issues of election reform. In 2010, Jasmine was selected to be an Emerging Leader with the Congressional Black Caucus where she interned in the White House Office of National Drug Control Policy. Jasmine is a graduate of Northeastern University with a Bachelor of Arts degree in Political Science and a concentration in Policy Administration.

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Reid SetzerDeputy Director of Policy & Legislative Affairs

photoReid is the Deputy Director of Policy and Legislative Affairs at Young Invincibles. In his capacity at YI, Reid is responsible for maintaining relationships with Hill staff, partners, the Administration, and other stakeholders in the context of YI’s health care, young parents, higher education and youth jobs advocacy strategies, as well as conducting policy research and writing about those topics. 

Reid graduated magna cum laude from the University of Pittsburgh and moved to Washington D.C. to study at Georgetown University Law Center in 2010. While enrolled at Georgetown Law, Reid did legal research and writing at the Center for American Progress and interned for the Senate Health, Education, Labor, and Pensions Committee. He also had the pleasure of working at Young Invincibles as a Legal Intern in the summer of 2012, and graduated from Georgetown Law with his Juris Doctorate in 2013. Reid is originally from Northern New Jersey, and enjoys reading and going to baseball games.

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Hillary Farrow, Business Development Manager

Hillary Farrow is a Business Development Manager at Young Invincibles. Hillary recently graduated from The George Washington University where she received a B.A. in International Affairs and specialized in Global Public Health and a minor in Sociocultural Anthropology. While in school Hillary interned for Cornerstone Government Affairs where she assisted in tracking legislative activity, synthesizing research on various policy issues, and organizing Hill days for clients. She also worked as a Government Relations intern 1-2-1 Strategies and Government Relations where she focused on healthcare, immigration, and privacy and data security issues. In addition Hillary spent time at FOOD Share, Inc., a non-profit dedicated to providing food security, nutrition education and advocating a reduction of the root causes of hunger, where she helped to develop the Kids Farmer’s Market Program. Hillary is originally from Southern California, and enjoys cooking and reading in her spare time.

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Michael Madoff, Director of Product Development

82211c0e-3a20-46be-9d5f-7ef6e0d2f013Michael is the Director of Product Development at Young Invincibles, where he directs the YI Advisors mobile application development offering. He also consults YI Advisors’ partners and clients on technology strategy.

Originally from Brookline, MA, Michael moved to DC in 2009 to attend Georgetown University’s School of Foreign Service and graduated cum laude with a B.S. in International Politics. While at Georgetown he served as communications director for student government and interned for Senator Bernie Sanders. During a semester abroad, Michael witnessed events of the Arab Spring and became inspired by the possibilities for digital technology to drive political change.

Prior to joining YI, Michael worked as a research associate at the Moffett Group, a boutique strategy consulting and government relations firm. He then joined the Public Sector consulting practice at Citrix where he managed software implementations and technology strategy for Fortune 500 and government clients. In his spare time, Michael loves to travel and explore new places.

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Sarah SchultzPress Secretary

Sarah Schultz is Young Invincible’s press secretary. She joins the organization after spending several years working at a New York City based public relations agency. During her time there, Sarah worked on developing and implementing strategic communications campaigns for clients across a number of industries with a special focus on nonprofit organizations in the healthcare space. At Young Invincibles, she oversees media relations and press inquiries.

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Los Angeles, CA Office

Gustavo Herrera, West Coast Director

gustavo-herrera-mbaGustavo is the West Coast Director for Young Invincibles, where he is responsible for leading YI’s California offices in Los Angeles and San Francisco, including its West Coast expansion. As director, he sets strategic direction and advances YI’s policy priorities on health care, higher education and jobs for the region.

Before starting at Young Invincibles, Gustavo was the Chief Operating Officer (COO) of L.A. Plaza de Cultura y Artes (LAPCA), overseeing the day-to-day operation of a county museum. He managed senior-level staff in administration, fundraising and external affairs, and was responsible for strategic planning and government relations.

From 2010-2012, Herrera led the Maestro Foundation, a classical music and performance arts foundation, as the Director of Organizational Development. Between 2007-2010, he assessed and recommended business growth strategies in the US marketplace for the global Fortune 500 Company, American Honda Motors, Co.

Herrera holds a Master of Business Administration (MBA) degree from American Jewish University, formerly the University of Judaism, and a dual Bachelor of Arts in Global Studies with an emphasis in socio-politics and economics and Art History from the University of California Santa Barbara. Herrera served on the Board of Directors of the Create:Fixate Arts Organization (2006-2010).

Kristin McGuire, CA Director of Partnerships & Organizing

c6f67ce6-74f8-45f8-ad24-fcb5a160736aKristin grew up in Wentzville, MO and Palmetto, AL. Growing up in very small towns, Kristin realized early on that her voice stood out and often differed from public opinion.  This still holds true today.

Kristin built her career advancing social justice movements. She has worked for various organizations advocating for disenfranchised communities, from paroled young adults to those without access to quality heath care. Kristin has played a large role in shaping and implementing some of the most progressive tobacco policy in Southern California, namely smoke-free housing, parks, and outdoor areas in Compton. Prior to joining YI, Kristin spent the last three years operating her own campaign consulting business in Los Angeles.

Kristin received her B.S. in Public Administration from CSU Dominguez Hills. When she isn’t trying to change the world, Kristin is a PTA mom, blogger, and member of Delta Sigma Theta Sorority Inc. — the best sorority in the world.

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Chicago, IL Office

Elena Sakopoulos, Midwest Organizing Manager

1901749_10203626973299536_472673387_nElena is a Northern California native who moved out to Chicago in 2011. As a political science and human rights student at the University of Chicago, she developed a passion for community organizing and youth civic engagement. Before arriving at Young Invincibles, she interned at Chicago Votes, where she registered young Chicagoans to vote and engaged them on state and local policy issues. She now chairs Chicago Votes’ alumni engagement committee. Elena also worked as a field organizer on a city council race in Chicago, and interned with Democracy for America’s electoral campaigns department. She is excited to work with Young Invincibles to continue elevating young voices on crucial policy issues.


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New York Office

Kevin Stump, Northeast Regional Director

Kevin HeadshotKevin Stump, Northeast Director is a native New Yorker. He is currently responsible for advancing the organization’s work in the state of New York.

Prior to joining Young Invincibles, Kevin served as a board member and later interim Executive Director of an immigrant and labor rights organization in New York City and Long Island. Before then, he was part of the Roosevelt Institute where he worked with young adults across the country to address local challenges by research, writing, and advocating for progressive policy solutions.

Kevin spent four years at the New York Public Interest Research Group where he was responsible for leading its higher education policy work. This included budgetary and policy issues involving SUNY and CUNY, opportunity programs, community colleges, student loan debt, and more. During his time at NYPIRG, Kevin started and led the Coalition to Reform the NY Tuition Assistance Program that had two statewide legislative victories in its first year.

He has testified before the New York State Legislature, Board of Regents, and the New York City Council and has written several issue reports and policy briefs. Kevin has appeared in the Gotham Gazette, Next New Deal, Truthout, Daily News, New York Post, Newsday, and others. He has also appeared on the Regional News Network and CBS Evening News as well as NPR. He received a B.S. from SUNY Plattsburgh in Community Organization & Advocacy and is half way through his MPA at the School of Public Affairs at Baruch College. Follow him at @KevinStump.

Houston Office

Marianela Acuña Arreaza, Southern Organizing Director

Marianela Acuña Arreaza is the Southern Organizing Director, where she is currently responsible for building networks of young adults who have the power to make changes in the region.

Marianela was born and raised in Venezuela, and she accidentally migrated to the U.S. She started organizing through the United Students Against Sweatshops and the Student Farmworker Alliance while studying sociology and arts at the University of Houston. Meanwhile, she lead quantitative research on day laborers and the issue of wage theft and volunteered at the local Interfaith Workers Justice Center.

After graduating with honors, Marianela worked on several participatory research projects: first, volunteering with the Food Chain Worker Alliance, then she coordinated local initiatives with the National Domestic Worker Alliance and with Houston United, a coalition for migrants’ rights.

Voting rights and civic engagement have also driven Marianela’s career. She has led educational and GOTV campaigns, as well as voter protection programs, with national non-profit organizations in the region, such as Mi Familia Vota, Texas Civic Engagement Table, VoteRiders, and Common Cause.

Her deep passion for facilitating collective learning and democratic decision-making has kept her consistently involved in movement building since 2008 outside of work as well. In 2014, Marianela coordinated a grassroots and intergenerational community organizing training series for people of color in Houston. In the same year, she was a recipient of the Houston Peacemaker Award, a Greensboro Justice Fund Fellow at the Highlander Center, and co-founded of a social justice school in the Houston Area.

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