2024-06-12T14:11:59-05:00 2023-12-31 521392008 GELMAN ROSENBERG & FREEDMAN 4550 MONTGOMERY AVE SUITE 800N BETHESDA MD 208142930 990PF 2023-01-01 263402690 DELTARES USA INC DELT 3016422505 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 EDWIN WELLES DIRECTOR 3016422505 2024-06-12 1 EDWIN WELLES 999009999 0 RICHARD J LOCASTRO CPA P00288314 3019519090 3 AAL1 IAL1 2023 2023-04-26 12:10:37Z X 3510813 X X 0 0 5536421 0 5536421 5536421 0 5536421 210311 0 21031 189280 908465 0 90847 801431 261610 0 26161 234301 44771 0 0 29771 41650 0 0 28719 3159367 0 0 3001933 12649 0 12649 31432 0 0 31432 75238 0 0 75238 262444 0 0 264438 5007937 0 150688 4656543 0 0 5007937 0 150688 4656543 528484 0 5385733 1813938 2356428 2356428 1119641 789416 1119641 1119641 9910 12024 12024 89760 68498 24084 21262 21262 1458 1458 1458 2638806 3510813 3510813 545213 748033 1499027 1639730 2044240 2387763 X 594566 1123050 594566 1123050 2638806 3510813 594566 528484 0 1123050 0 1123050 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 MD CA 1 1 0 0 0 1 N/A MANDY GETZ 3016422505 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 1 CA 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EDWIN WELLES 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 DIRECTOR 40.00 210311 43673 0 WILLEM-JAN RIBBERINK 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 SECRETARY 5.00 0 0 0 MICHEL VAN SWIETAN 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 TREASURER 5.00 0 0 0 SOROOSH SOROOSHIAN 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 DIRECTOR 5.00 0 0 0 GUY GELFENBAUM 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 DIRECTOR 5.00 0 0 0 ANTONIA SEBASTIAN 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 DIRECTOR 5.00 0 0 0 BENJAMIN BALK 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 SCIENTIST V 40.00 169603 38152 0 CORNELIS NEDERHOFF 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 SCIENTIST IV 40.00 149213 15990 0 MAARTEN VAN ORMONDT 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 SCIENTIST V 40.00 135681 8141 0 KEREN BOLTER 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 SCIENTIST IV 32.00 101849 27980 0 AMANDA GETZ 8601 GEORGIA AVE 508 SILVER SPRING MD 20910 ADMINISTRATOR II 32.00 105647 10286 0 0 STICHTING DELTARES PO BOX 177 2600 MH DELFT BOOUSSINESQWEG NL RESEARCH/DEVELOPMENT 2615245 ALLIANCE FOR GLOBAL WATER ADAPTATION 7640 NW HOODVIEW CIR CORVALLIS OR 97330 RESEARCH/DEVELOPMENT 258371 0 1) SUPPORT TO THE US NATIONAL WEATHER SERVICE FOR THEIR FLOOD FORECASTING OPERATIONS CONSISTING OF SYSTEM SUPPORT AND HYDRODYNAMIC MODELING SUPPORT.2) SUPPORT TO THE TENNESSEE VALLEY AUTHORITY FOR THEIR RESERVOIR OPERATIONS AND POWER PLANT OPERATIONS CONSISTING OF HYDRO-THERMAL MODELING TO FORECAST IN STREAM TEMPERATURES, AS WELL AS STREAMFLOW FORECAST SYSTEM SUPPORT.3) COLLABORATIVE RESEARCH WITH THE US GEOLOGICAL SURVEY REGARDING NUMERICAL MODELLING IN RIVERS, ESTUARIES AND COASTAL WATERS INCLUDING SEDIMENT TRANSPORT, AND NUMERICAL METHODS FOR GROUND WATER MODELLING.4) SUPPORT TO THE BONNEVILLE POWER ADMINISTRATION FOR THEIR RESERVOIR OPERATIONS CONSISTING OF BOTH RESERVOIR OPTIMIZATION MODELING AND WATER SUPLY FORECASTING.5) COASTAL MODELING RESEARCH TO SUPPORT THE OFFICE OF NAVAL RESEARCH HURRICANE MODELING AND FORECASTING. 4656543 0 0 1943200 0 1943200 0 0 1943200 29148 1914052 95703 X 4656543 0 4656543 2008-09-22 X 95703 87942 80682 48598 312925 81348 74751 68580 41308 265986 4656543 5776811 4483830 3441568 18358752 0 0 0 0 0 4656543 5776811 4483830 3441568 18358752 0 0 0 5536421 5738844 4807660 3983926 20066851 5536421 5738844 4807660 3983926 20066851 0 0 X 0 0 PROGRAM SERVICE REVENUE 5536421 14 0 0 5536421 5536421 1 OUR CONTRACTS WITH FEDERAL AND STATE AGENCIES OFFERS THE OPPORTUNITY 1 TO EXTEND EXISTING METHODOLOGIES, TO DISSEMINATE KNOWLEDGE TO OTHERS, 1 TO DEFINE NEW ISSUES WHICH REQUIRE NEW RESEARCH. 0 0 0 0 0 0 0 0 0 0 ACCOUNTING 41650 0 0 28719 LEGAL FEES 44771 0 0 29771 SECURITY DEPOSITS 1458 1458 1458 INSURANCE 159333 0 0 163049 POSTAGE AND DELIVERY 580 0 0 580 SUPPLIES 2725 0 0 1819 DUES, FEES AND LICENSES 32088 0 0 30588 DATA PROCESSING 38649 0 0 39334 OTHER EXPENSES 20577 0 0 20576 CURRENCY LOSS 8492 0 0 8492 PROGRAM SERVICE REVENUE 5536421 5536421 SUBCONTRACTS 3141773 0 0 2984339 OTHER PROFESSIONAL FEES 17594 0 0 17594