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Market watchers have speculated for months that Adam Bain, Twitter's president of global revenue, is among the top candidates to take over as the company's CEO. On Tuesday, he told CNBC he is staying put for the time being.

"From my perspective I'm doing the one thing that I know how to do, which is scale the revenue for the company," he said in an interview on "Squawk Alley."

Embattled Twitter CEO Dick Costolo will step down from that post July 1, after which he will remain on the board of directors. Bain said Costolo leaves the company in a "strong and resilient place" and added he is excited to work with co-founder and Chairman Jack Dorsey when he takes over as interim chief executive.

"Jack and I meet on a weekly basis to review the business and also to talk about product," he said. "There is no one that's been thinking about Twitter, the product longer than Jack."

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According to Bain, the prime directive for Twitter's product team is to make the social media service easier to use, and he said the company's Project Lightning is a "massive move" in that direction.

Twitter is preparing to launch a new curation feature with stories compiled by a team of editors, Buzzfeed first reported last week.

"I can't say too much about it, but essentially what it is is: How do we organize content in a better way for consumers? How do we make it really easy to find structured, organized content on the platform?" Bain said. "From what we hear from marketers, they would love to bring their marketing messages in front of consumers in that way."

Twitter also announced last week it will give marketers and users the ability to automatically play their videos when a viewer scrolls over them. That would presumably lead to more views. Bain said the feature increases video completions seven times over, and led to a 20 percent rise in brand lift and sentiment.

The company also said it would only charge marketers when their videos come into users' full view.

"We just don't think it's right for other folks to charge when one pixel of an ad comes into view for one millisecond," Bain said. "So we've stepped out from the rest of our peers in the industry and taken what we think is a bold move."

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Asked which metrics are most meaningful to its advertisers, Bain said what they ultimately care about is results—whether a campaign can move products off the shelves.

To that end, Twitter has begun its push to monetize the 300 million daily active users that log in to the service to consume content, he said. It will soon move to drum up revenue from the hundreds of millions more who view Twitter content outside the platform—in Google results, for example—and through syndication.

Twitter revenue grew to $1.4 billion in 2014 from about $635 million the previous year. While the company has ramped up top-line results, Wall Street has become concerned about slower-than-expected user growth.

"There is definitely a difference between what we know to be true on the inside and where we see the company going in terms of the product road map and also what the perception is from the outside," Bain said. "It's ultimately going to be seen for the world through the product that we've shipped."