Tim Barker Founder Director ROI Ministry Maximizing Effectiveness Giving Impact Charities Financial Finish Line Podcast
Finish Line Podcast Episode 12

Tim Barker, Founder of ROI Ministry, on Maximizing the Effectiveness of Our Giving

You may want to give generously and faithfully, yet still wonder how to tell whether one ministry is using your dollars more effectively than another.

How can you combine compassion and spiritual prompting with careful evaluation so your giving reaches people and advances the gospel as effectively as possible?

Meet your guide

Tim Barker, founder and executive director of ROI Ministry, brings decades of business and engineering experience to the challenge of evaluating charitable impact. After years of successful business ownership, global leadership training through EQUIP, and generous giving, a severe financial setback led Tim to wrestle more deeply with where Christian resources were going and how effectively they were being used.

That journey eventually led to ROI Ministry, which evaluates organizations based on measurable Kingdom impact per dollar. Tim explains how the ministry identifies highly effective organizations working in areas such as evangelism, discipleship, clean water, food, and poverty relief, then uses independent research to help verify their results. He challenges generous Christians to apply the same wisdom and diligence to giving decisions that they might use in business or investing.

Rather than choosing between heartfelt generosity and measurable effectiveness, Tim encourages both. By the end, you may feel better equipped to evaluate ministries thoughtfully and direct your giving toward opportunities where faithful stewardship can produce greater Kingdom impact.

  • How to evaluate the measurable impact of your giving
  • Why generosity and careful stewardship should work together
  • What impact per dollar reveals about effective ministries
  • How to balance personal calling with measurable ministry effectiveness
  • Why independent evaluation can strengthen confidence in charitable giving
  • How thoughtful giving can multiply long-term Kingdom impact

Inspired? Take your next step

Try the Game of Life Simulator

Step into a four-minute interactive experience and see what unfolds as you decide how to manage your resources.

Game of Life Simulator Mobile Screenshot
Game of Life Simulator Mobile Screenshot

Inspired? Learn how to partner with ministries well.

A compelling ministry story can inspire you to respond. But wise partnership often begins with better questions.

Applied Generosity Intervention Partnership Focus

What is the ministry really seeking to restore?

Learn to look beyond visible needs toward people, context, relationships, and flourishing.

Applied Generosity Intervention Partnership Fruitfulness

How do you recognize meaningful impact?

Consider how ministries learn, evaluate their work, and pursue lasting change.

Applied Generosity Intervention Partnership Faithfulness

What does genuine ministry partnership look like?

Explore how to foster trust, alignment, and shared mission in your giving.

In our Intervention Series on the Applied Generosity Podcast, we’ll help you become a more thoughtful, discerning, and faithful partner.

Quotes to Remember

  • “97% of Christian giving goes to nations and people that are already Christian … 2.97% goes to nations that are at least evangelized, who have at least heard the gospel. But 1/3 of 1% was actually making it to the poorest lost nations of the world.”
  • “When we find a top ten ministry, not only do we have to find the impact per dollar, which can be a challenge, but also what is that impact – how can you quantify it?”
  • “God places no greater value on my son than this poor impoverished boy on the street, and so what can I do to help him, as well as my son?”

Links from the Show

Bible References from the Show

John 12:24 | Unless a Seed Dies

24 Truly, truly, I say to you, unless a grain of wheat falls into the earth and dies, it remains alone; but if it dies, it bears much fruit.

Matthew 25:14-30 | The Parable of the Talents

14 “For it will be like a man going on a journey, who called his servants and entrusted to them his property. 15 To one he gave five talents, to another two, to another one, to each according to his ability. Then he went away. 16 He who had received the five talents went at once and traded with them, and he made five talents more. 17 So also he who had the two talents made two talents more. 18 But he who had received the one talent went and dug in the ground and hid his master’s money. 19 Now after a long time the master of those servants came and settled accounts with them. 20 And he who had received the five talents came forward, bringing five talents more, saying, ‘Master, you delivered to me five talents; here, I have made five talents more.’ 21 His master said to him, ‘Well done, good and faithful servant. You have been faithful over a little; I will set you over much. Enter into the joy of your master.’ 22 And he also who had the two talents came forward, saying, ‘Master, you delivered to me two talents; here, I have made two talents more.’ 23 His master said to him, ‘Well done, good and faithful servant. You have been faithful over a little; I will set you over much. Enter into the joy of your master.’ 24 He also who had received the one talent came forward, saying, ‘Master, I knew you to be a hard man, reaping where you did not sow, and gathering where you scattered no seed, 25 so I was afraid, and I went and hid your talent in the ground. Here, you have what is yours.’ 26 But his master answered him, ‘You wicked and slothful servant! You knew that I reap where I have not sown and gather where I scattered no seed? 27 Then you ought to have invested my money with the bankers, and at my coming I should have received what was my own with interest. 28 So take the talent from him and give it to him who has the ten talents.29 For to everyone who has will more be given, and he will have an abundance. But from the one who has not, even what he has will be taken away. 30 And cast the worthless servant into the outer darkness. In that place there will be weeping and gnashing of teeth.’

Luke 10:25-37 | The Parable of the Good Samaritan

25 And behold, a lawyer stood up to put him to the test, saying, “Teacher, what shall I do to inherit eternal life?” 26 He said to him, “What is written in the Law? How do you read it?” 27 And he answered, “You shall love the Lord your God with all your heart and with all your soul and with all your strength and with all your mind, and your neighbor as yourself.” 28 And he said to him, “You have answered correctly; do this, and you will live.”

29 But he, desiring to justify himself, said to Jesus, “And who is my neighbor?” 30 Jesus replied, “A man was going down from Jerusalem to Jericho, and he fell among robbers, who stripped him and beat him and departed, leaving him half dead. 31 Now by chance a priest was going down that road, and when he saw him he passed by on the other side. 32 So likewise a Levite, when he came to the place and saw him, passed by on the other side. 33 But a Samaritan, as he journeyed, came to where he was, and when he saw him, he had compassion. 34 He went to him and bound up his wounds, pouring on oil and wine. Then he set him on his own animal and brought him to an inn and took care of him. 35 And the next day he took out two denarii[a] and gave them to the innkeeper, saying, ‘Take care of him, and whatever more you spend, I will repay you when I come back.’ 36 Which of these three, do you think, proved to be a neighbor to the man who fell among the robbers?” 37 He said, “The one who showed him mercy.” And Jesus said to him, “You go, and do likewise.”

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Use Our
Free Guide

Have you considered the ways you are uniquely called into generosity? We’re not all called into the same adventure.
Generosity Profile Image
Enter your information below and we’ll send you our free PDF guide to explore the specific adventure you were called into.
Generosity Profile Image