“At the present time we are not prepared to confirm anyone's involvement.”
Speaking to The News, Sellstrom said he hoped the club was on the verge of a major breakthrough but also confirmed that he had to borrow to get the club out of the crippling transfer embargo.
"I borrowed the money from a contact to enable us to finally get the transfer embargo lifted last week,’ said the chairman.
"There are potential investors waiting in the wings to get involved at the club.
"There are a couple of historical issues to be sorted but hopefully that can be done in the next couple of days. Once that has been done the investors will step forward.
"The ex-Pompey chairman Iain McInnes was at our game and it is rumoured he is one of the investors. At the present time we are not prepared to confirm anyone's involvement.
"When I became chairman it was with the aim of saving the club. If all this works out then I will have done my job.
"It has not been easy because the debts were far worse than I contemplated. The same can be said about the problems surrounding them.
"Now, though, I can definitely see some light at the end of the tunnel."
The lifting of the transfer embargo last Friday enabled manager Mick Catlin to bring in Lee Molyneaux and Jamie Thompson and the duo made a big difference on Saturday culminating in the team's first league win of the season.
"Our first win was a great relief and I could have cried," added Sellstrom.
"It has definitely given us something to build on. There is now far more optimism at the club. Hopefully in the near future I can announce the next step forward."
Updated 14:28 - 21 Nov 2017 by Site Manager