Reach the Unreached Like Never Before
Faithful Witness is SIM's powerful, fresh approach to reach people who’ve yet to hear the name Jesus.

WELCOME TO SIM

We are a century-old catalyst for global mission dedicated to
prayer and care in bringing good news to hard places.
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MAKING DISCIPLES

We are compelled to proclaim Jesus where He is least known
because there are people living and dying without the gospel.
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SPECIAL MESSAGE FROM THE SIM USA PRESIDENT

SIM is closely monitoring the spread of COVID-19 and responding through prayer and care for communities around the world. Learn more about our global response in this special message from SIM USA President Randy Fairman.

GO WITH SIM

God invites each of us to participate in His kingdom work. Join SIM in making disciples of the Lord Jesus Christ in communities where He is least known.

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WHERE WE SERVE

More than 4,000 SIM workers from 65 different nations are currently serving on six continents across the world. Click a region of the map to learn more.

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ENGAGE IN GOD'S GLOBAL MISSION WITH SIM

SHORT TERM

TWO MONTHS TO A YEAR

MIDTERM

ONE TO TWO YEARS

LONG TERM

TWO YEARS OR MORE