Exhibit 23 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS The Board of Directors Donaldson, Lufkin & Jenrette, Inc. We consent to the inclusion of our report dated June 27, 2000, on Form 11-K Annual Report relating to the financial statements of the 401(K) Retirement Savings Plan for Employees of Donaldson, Lufkin & Jenrette, Inc. (the "Plan") and supplemental schedules of the Plan included in the Plan's Annual Report for the year ended December 31, 1999. /s/ KPMG LLP June 27, 2000