About Mediasphere

A strategic content marketing agency.

Mediasphere is an editorial content marketing agency based in Bucharest that works with US B2B SaaS and healthcare companies. We plan and produce content across search, AI answers, social, paid ads and email, grounded in behavioral psychology and attention research, so every piece is built to be found, read, remembered and cited.

We work with US B2B businesses that treat content as a strategic capability, not a production function. Our work spans search, social, paid advertising, and email, but the discipline behind it stays the same.

Who we are

Built around editorial thinking, not channel execution.

Mediasphere was built around a straightforward observation: most marketing underperforms because the thinking that precedes the content is shallow. The strategy is vague, the audience is loosely defined, and the content is produced to fill a calendar rather than to earn a reader's attention.

We do the opposite. Every engagement begins with research: who the audience is, what they are looking for, what language they use, and why previous attempts to reach them fell short. From there we build the strategy, produce the content, and run the campaigns. The output is better because the input is better.

The team includes strategists, writers, designers, and analysts, all working from the same brief. We are small enough to be responsive and senior enough to avoid the mistakes that cost time and money.

Who does the work

The people behind the strategy.

Every engagement is led by senior operators with a public track record. No hidden freelancers, no anonymous “content teams.” Here is who you are actually hiring.

Andrei Muresan, Founder at Mediasphere

Andrei Muresan

Founder

Andrei is the founder of Mediasphere, a strategic content marketing agency. He is an experienced copywriter and content strategist who has worked across international environments, with a focus on B2B SaaS, IT, healthcare, and public services. His work centers on building editorial systems that earn attention rather than rent it, and on helping growth stage companies treat content as a strategic capability rather than a production function.

Alexandru Croitoru, Big Data, CX Analytics, AI at Mediasphere

Alexandru Croitoru

Big Data, CX Analytics, AI

Alexandru is a product and growth strategist with over twelve years of experience in B2B technology, SaaS, marketing, and business transformation. He works with enterprise technology organizations to translate customer insight into sustainable growth, spanning product strategy, AI enabled transformation, and customer centric go to market execution. His work centers on connecting product, marketing, customer experience, and operations into a single commercial system, and on treating customer understanding as the origin of strategy.

Every article on this site is written and edited by the person in its byline. We build each piece from primary research and recent sources, and we link to them so you can check the work yourself. We do not use AI to write our articles.

Editorial Philosophy

How we think about the work.

We don't follow templates. Every business has a different audience, a different competitive landscape, and a distinct set of constraints. But the editorial standards that govern how we produce content don't move, regardless of the client or the channel.

Working Principles

What we believe about marketing.

Clarity over cleverness

Every brief, every piece of content, and every report should say exactly what it means. If something needs a footnote to make sense, it isn't ready to publish.

Audience first, channel second

We don't start with 'what should we post on LinkedIn.' We start with 'what does this audience need to hear, and where are they most likely to hear it.' The channel is a delivery vehicle, not a strategy.

Measure what matters, ignore what does not

Vanity metrics such as impressions, likes, and follower counts are interesting. Revenue, qualified leads, and search rankings are decisive. We report on the second kind.

Say less, mean more

The best content marketing doesn't produce more content, but rather better content, less often, and with more impact. We would rather publish one article that ranks for three years than ten posts that disappear in a week.

AI is a tool, not a strategy

AI is part of how we research, draft, and analyze, but not how we think. We don't use it to replace thinking. Every article, ad, and email passes through a human editor before it leaves our hands, because the audience can tell when something was written for a quota rather than for them. Most AI digital marketing is automation wearing a strategy costume. We use AI to move faster on the parts of the work where speed helps and we don't use it to replace the part where craft or emotion matter. While the tools may change, our editorial standard doesn't.

If this is how you think about marketing, we should talk.

Tell us a little about your business and what you are trying to achieve. We will reply within two working days with an honest assessment of whether we can help.

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