During these uncertain times, how can we help?

As the world leader in volunteerism we feel a responsibility to unite our broader community, and to use this moment to become stronger.

See below to access our COVID-19 Resource Hub, and to explore our growing directory of COVID-19-specific and virtual volunteering opportunities.
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Marketing and Grant writers for Operation Big Serve our nonprofit. Posting on social media!

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OBS - Blessings Boutique & Thrift Store

We need someone to help us get grants and other donors!

We also need help with posting on Facebook, Instagram, eBay, Poshmark, spots on T.V or radio stations, and other social media!

If you like that kind of challenge, come over and talk with Catherine and Mark Karmolinski, the founders of Operation Big Serve. (480) 361-8559 is the store phone number.

Operation Big Serve, our nonprofit needs help with marketing and fundraising. If you have skills in this area and are willing to volunteer your time, we want to meet with you and discuss our needs.

We serve the homeless and veterans, we are a hydration and respite station for the homeless seven days a week, we have Promise House, and Blessings Boutique & Thrift store.

We need to get the word out about who we are, who we serve, and our goals if you have this skill set.

Blessings Boutique & Thrift Store located at 911 E Main St, Mesa, AZ 85203, also our office!

11 More opportunities with OPERATION BIG SERVE



911 E. Main St, MESA, AZ 85203, US

Mission Statement

Changing lives and having a positive impact on our community by building relationships with the homeless and those in need while providing their basic needs daily. One touch, One smile, One kind word, One moment to listen has the ability to turn a life around One life at a time. Every individual is created by God with unique Talents and Abilities Everyone deserves a second chance Everyone deserves to be loved Everyone deserves the opportunity to become the person God created them to be. If what we do only changes one life it’s worth the effort


Operation Big Serve is a 501(c)(3) nonprofit organization whose main objective is to show the love and compassion of Jesus by reaching out to those who are hurt and in need.
Operation Big Serve is a ministry that started out by ministering to homeless veterans and is growing into other areas of ministry. With the financial help of our friends and partners and the leading of the Holy Spirit, Operation Big Serve is able to make a positive impact on our community.

Homeless & Housing
Veterans & Military Families


We'll work with your schedule.


911 E Main StMesaMesa, AZ 85203



  • Brand Development & Messaging
  • Interactive/Social Media/SEO
  • Graphic Design / Print
  • Advertising
  • Copy Writing / Copy Editing
  • Content Management Systems


  • People 55+
  • Group


  • Must be at least 21
  • Whatever it takes to help us get the word out about Operation Big Serve, Past to Promise Fellowship, and Blessings Boutique & Thrift Store.
  • Excellent communication skills, social media, blogging, advertising, fundraisers, media exposure, and signage!

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