Staff Listing


Joshua Herman – Legislative Director

Josh is a lifelong resident of Pennsylvania and a graduate of Temple University.

He is the current Legislative Director for Senator Mastriano and oversees all aspects of the legislative and policy process. Last Session, he was proud to work on legislation signed into law that improves how Pennsylvania tracks and responds to drug overdoses. He’s also proud of helping to pass a new law that protects first responders and tow truck operators while they are responding to roadside incidents.

Before joining Senator Mastriano, Josh served in the Trump Administration from 2017-2021 as a policy advisor at the Department of Homeland Security where he worked on issues pertaining to border security, immigration, and national security.

During the 2016 election cycle, he worked as Regional Field Director for the Republican Party of Pennsylvania and played a crucial role in mobilizing grassroots support for President Trump and other GOP candidates on the ballot that year.  

Nathan Silcox – Executive Director of the Veterans Affairs and Emergency Preparedness Committee

Nate has over 25 years of experience in public policy at the state and local levels. He currently serves as Executive Director of the PA Senate Veterans Affairs & Emergency Preparedness Committee, which has oversight of Fire, EMS, Emergency Management, Military and Veterans Affairs issues.  

During his time in the Senate, Nate has had a hand in passing over 100 laws, including re-organizing the State Fire Commissioner’s Office and allowing municipalities to establish tax credits for first responders, establishing the Military & Family Education Program and strengthening the National Guard Educational Assistance Program, permitting counties to establish Regional Police Booking Centers, expanding the Local Government Capital Project Loan Fund, permitting students with severe allergies to carry EpiPens to schools, authorizing Respite Care programs for senior citizens, and Chloe’s Law – protecting children with Down Syndrome. 

Nate started his career as a member of Governor Tom Ridge’s team in the Department of Education helping to establish academic standards, ensure school safety, and provide for additional educational opportunities.

Felicia Wallace – Executive Assistant/Legislative Assistant

Felicia joined Senator Mastriano’s team in March 2021.  She brings a wealth of knowledge from a grassroots and legislative perspective.  Prior to joining the Senate, she was the Operations Coordinator for Habitat for Humanity of Franklin County.  She has also worked for several national companies in the areas of safety, risk management, and insurance; and served on various ad hoc committees and task forces responsible for regulatory compliance and the advancement of program initiatives.

An Ordained Evangelist and Christian Podcast Host, Felicia serves in ministry with her husband, Pastor Melvin Wallace, at the Light of the World Church of God in Hagerstown, MD.  They have one daughter, Rayna.  Her Past-time Favorites include:  Writing and Photography as she is current working on a memoir of her father and loves “capturing the moment” in pictures.


Ruthie Dunlap – Field Representative         

Ruthie joined Team Mastriano as an intern in July 2021, and as a full-time employee in October 2021.

She is enjoying helping constituents in the 33rd Senate District.

Lisa Helm – Field Representative

Lisa joined Senator Mastriano’s team in October 2023 as a Field Representative with a focus on grants. She brings an accounting and administrative background, both in government and non-profits, most recently with the Cumberland Valley Business Alliance.

Most evenings you can find Lisa babysitting her grandson, and she is most proud of her roles as a wife to husband Travis and as a mom to her three amazing daughters.

Michele Jansen – Constituent Outreach Specialist

Michele Jansen joined Senator Mastriano’s Chambersburg Office as a Constituent Outreach Specialist in December 2023.

Michele grew up in Greensburg PA and attended St. Vincent College in Latrobe two different times, the first to obtain a degree in Business Systems Analysis after which she worked for a time for Westinghouse and the second to obtain a degree in Biochemistry in pursuit of her medical degree which she went on to obtain at Jefferson Medical College in Philadelphia. After several years in clinical research in Greenville NC she took time off to raise her twin daughters settling in Chambersburg PA.

Michele got involved with Pennsylvanians for Right to Work in her spare time and eventually took a position with them as a lobbyist and research analyst. In this position she began making appearances on local and Pittsburgh radio programs from which an opportunity arose to take a position as news producer and analyst for a local radio station.

Michele enjoys reading, hiking, bicycling, antiquing and travel. She sits on her church council and is an active member in the Kiwanis service organization.


Melissa Cruys – District Director

Melissa joined Senator Mastriano’s team as a District Director during the summer of 2023. She spent several years serving as Partnership Manager for the Adams County Travel Council and Tourism Bureau.

After fostering many relationships among local business leaders, this inspired her to continue serving the community by becoming a local business owner, herself. With community relations at the forefront of her inspiration, Melissa co-founded Pennsylvania Bike Rally for Freedom in June of 2020 and is an influential member of the riding community, connecting Veterans and locals to charity efforts across Pennsylvania.

Raphael Diaz – Constituent Outreach Specialist

Raphael Diaz is a Constituent Outreach Specialist in the 33rd District’s Gettysburg Office. A resident of Pennsylvania for over 24 years, he joined Senator Mastriano’s team in September 2023. He has been a small business owner in both Puerto Rico and United States (Pennsylvania) for over 25 years. He has over 24 years of customer relationship experience, and is fully bilingual.

Raphael and his Wife Mariluz have been Pastors of Nacion De FE Hanover (Nation Of Faith) Hanover Campus over 4 years, and have served in the Christian Faith for over 20 years in multiple areas. He is passionate about serving his hometown city of Hanover, Pa – focusing on transforming and restoring families, and creating opportunities for those in need. He believes that rebuilding strong family values especially by maintaining the father figures needed today is vital. His number one goal is to service the community with passion and excellence in areas of need.

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