I was really confused, but apparently this is a paper related to the company which (dubiously) claimed to have revived the dire wolf and GRRM is an investor in the company:

Authors affiliated with Colossal Biosciences and/or Form Bio may hold stock and/or stock options in these companies. E.K.K., C.E.M, B.vH., R.J.O., M.T.P.G, and L.D. are members of the scientific advisory board at Colossal Biosciences. M.S.S. is a consultant of Colossal Biosciences. G.R.R.M is an Investor and Cultural Advisor for Colossal Biosciences. G.C. is co-founder of Colossal Biosciences and others available at arep.med.harvard.edu/t