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Our Revolution

Mark is the first State Senate candidate in Pennsylvania to earn the Our Revolution endorsement in 2018

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Mark is one of 100 candidates being supported by Flippable nationwide.  Flippable chose candidates who will fight for clean energy, healthcare, gun control & a fair democracy. 


PCCC Progressive Change Committee

Mark is campaign depends on grassroots, not corporate interests.  PCCC supports Mark's mission of taking power back for our community and turning big ideas into action.


Healthcare 4all PA

HealthCare4All PA is a state-wide, non-partisan organization, founded in 2006 to secure a comprehensive single payer health care system for every citizen of Pennsylvania.


SEIU Pennsylvania State council

The 2.1 million-member Service Employees International Union is the fastest- growing union in North America, and its membership is among the most diverse in the labor movement. Focused on uniting workers in three sectors, SEIU is the largest health care union, including hospitals, nursing homes, and home care; the largest property services union, including building cleaning and security; and the second largest public employee union.

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Phillips Armstrong, Lehigh County Executive

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Tom Muller, Former Lehigh County Executive

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Keystone Progress


Lehigh Valley 4 All

“Lehigh Valley For All is a progressive , community-minded organization whose goals are to provide a platform for voters to gain knowledge of the political system and to effectuate progressive policies within their communities through issue campaigns and encouraging our membership to seek office.” – Lehigh Valley For All mission statement.

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Equality PA

Equality PA is the commonwealth’s leading organization advancing fairness, equality, equity, and fairness for lesbian, gay, bisexual, transgender, and queer (LGBTQ) individuals and families.

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InDivisible Berks

Mark is one of the board members of Indivisible Berks and was the captain for the PA 15th Congressional district before the courts redrew Pennsylvania districts to reverse the gerrymandering that was in place.

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MOMS Demand Action - Gun Sense Candidate

Gun violence prevention ranks at the top of priority issues for Pennsylvanians this election season. Mark will stand up for public safety instead of the interests of the gun lobby.

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Ceasefire Pennsylvania Commonsense Candidate

Mark has pledged to support critical gun violence prevention policies.

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East Penn Democratic Club

The East Penn Democratic Club is your local hub for Democratic, Liberal, Moderate, and Progressive action. We organize to resist the reactionary, anti-democratic policies of the Republican Party from the White House on down.

The only member-led statewide environmental organization in Pennsylvania and we believe our open spaces, clean water, and natural resources should be protected so that current and future generations may enjoy them.

Mark is the only Pennsylvania State Senate candidate endorsed by Vote Vets. As a former Army Reservist, Mark understands service. Started in 2006 and backed by more than 600,000 veterans, military family members and their supporters, the mission of VoteVets.org is to use public issue campaigns to give a voice to veterans on matters of national security, veterans' care, and every day issues that affect the lives of those who served, and their families.