FORTUNE — When Twitter went public last month, more than a few critics took the company to task for not having a single female among its seven board members. Particularly galling, they argued, because some studies find that women tend to use Twitter TWTR more regularly than do men.

Today the company looked to begin rectifying the situation, announcing that Marjorie Scardino has joined its board. She is the former CEO of both Pearson PLC and Economist Group — not only giving Twitter some gender diversity on its board, but also its second director with significant media industry experience (alongside ex-News Corp. exec Peter Chernin).

One thing Scardino is not, however, is a prolific tweeter. In fact, her first missive came just this morning:

The announcement means that Twitter will expand its board to eight, although Scardino will replace David Rosenblatt on the audit committee.

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