.OpenAI's Sora AI tool enables users to produce AI-generated video clips from text-based inputs.Costfoto|Nurphoto|Getty ImagesOpenAI CFO Sarah Friar is actually hoping to comfort its financiers that the highly valued artificial intelligence startup is still in a solid position and also is actually poised to close a big financing around soon, despite losing best talent this week.In an email to OpenAI's investors seen by CNBC, Friar resolved the parting of Main Modern technology Policeman Mira Murati, that revealed her parting on Wednesday. Later that day, Sam Altman pointed out pair of leading research study managers, Bob McGrew and Barret Zoph, were additionally leaving behind." I intended to individually connect observing the headlines of Mira's parting coming from OpenAI," Friar recorded the character, which was actually seen by CNBC. "While management improvements are never ever very easy, I desire to ensure you have the full context." Friar incorporated that, "Our company are actually exceptionally pleased with whatever she's aided construct," and also said the San Francisco-based provider still has a "skilled leadership seat" to compete.OpenAI, which is actually backed by Microsoft and recently partnered with Apple on its own AI for iPhones, resides in the middle of finalizing a $6.5 billion backing round, which should value the business at approximately $150 billion, depending on to sources aware of the matter. Grow Capital is actually leading the round, and organizes to put in $1 billion, according to sources.Friar pointed out in the e-mail that the financing around was oversubscribed as well as would certainly nearby following full week. She pointed out the staff plans to host a series of telephone calls with capitalists to present the group to key innovators from item as well as study groups." Jointly, our team continue to be laser-focused on delivering AI to every person and building maintainable earnings styles that sustain our operations and supply worth to our clients and also staff members," Friar created. The firm is actually "delighted for you to become along with us as our team enter our following section," she wrote.OpenAI declined to comment on the email.Murati's departure comes after six and also an one-half years at the business. She for a while worked as interim CEO in 2014 after the board of directors abruptly fired up Altman. When Altman was actually swiftly reinstated, Murati came back to the function of CTO.Sarah Friar has actually been named OpenAI CFOAnjali Sundaram|CNBCThe business was actually already dealing with the reduction of crucial executives. Co-founder John Schulman and also security principal Jan Leike delegated participate in rivalrous Anthropic. Co-founder Ilya Sutskever delegated begin yet another AI company, while another owner, Greg Brockman, is on a leave of absence.Friar stated Spot Chen will enter the role of of elderly bad habit president of study, and also innovators like Kevin Weil, that signed up with coming from Meta, as well as Srinivas Narayanan are actually the "correct folks to keep pressing the borders of development." Friar was actually previously CEO of Nextdoor, as well as prior to that CFO at Block, formerly Square.Also on Thursday, at an all-hands conference, Altman denied that there are actually plans for him to receive a "gigantic equity risk" in the company, contacting records of such a development "only not accurate," depending on to an individual who was in attendance.Altman as well as Friar both mentioned at the meeting, conducted through video, that financiers have actually raised worries about Altman not having equity in the company that he co-founded almost nine years back, said the individual, that asked certainly not to be called given that the event was only for employees.WATCH: Sam Altman's best replacements depart.