| Roleplaying Game Credits: |
| |
| Book | | Publisher | | Credit |
| Star Wars Roleplaying Game, Saga Edition (2007) | | Wizards of the Coast | | Director of RPG R&D |
| Star Wars Roleplaying Game, Saga Edition (2007) | | Wizards of the Coast | | Original Design |
| d20 Future Tech (2006) | | Wizards of the Coast | | Director of RPG R&D |
| d20 Spectaculars (d20 Modern) (2006) | | Wizards of the Coast | | Design |
| Dungeons & Dragons Player's Handbook II (2006) | | Wizards of the Coast | | Director of RPG R&D |
| Fiendish Codex I: Hordes of the Abyss (Dungeons & Dragons) (2006) | | Wizards of the Coast | | Director of RPG R&D |
| Fiendish Codex II: Tyrants of the Nine Hells (Dungeons & Dragons) (2006) | | Wizards of the Coast | | Director of RPG R&D |
| Power of Faer?n (Forgotten Realms) (2006) | | Wizards of the Coast | | Director of RPG R&D |
| Red Hand of Doom (Dungeons & Dragons) (2006) | | Wizards of the Coast | | Director of RPG R&D |
| Tome of Magic: Pact, Shadow, and Truename Magic (Dungeons & Dragons) (2006) | | Wizards of the Coast | | Director of RPG R&D |
| Voyage of the Golden Dragon (Eberron) (2006) | | Wizards of the Coast | | Director of RPG R&D |
| Champions of Ruin (Forgotten Realms) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Complete Adventurer (Dungeons & Dragons) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| d20 Past (d20 Modern) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons for Dummies (2005) | | Wiley Publishing | | Author |
| Explorer's Handbook (Eberron) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Explorer's Handbook (Eberron) (2005) | | Wizards of the Coast | | Developer |
| Five Nations (Eberron) (2005) | | Wizards of the Coast | | Game Design |
| Five Nations (Eberron) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Five Nations (Eberron) (2005) | | Wizards of the Coast | | Development and Editing |
| Heroes of Battle (Dungeons & Dragons) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Lords of Madness: The Book of Aberrations (Dungeons & Dragons) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Lost Empires of Faer?n (Forgotten Realms) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Races of Eberron (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Races of the Wild (Dungeons & Dragons) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Sandstorm (Dungeons & Dragons) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Sons of Gruumsh (Forgotten Realms) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Stormwrack (Dungeons & Dragons) (2005) | | Wizards of the Coast | | Director of RPG R&D |
| Complete Arcane (Dungeons & Dragons) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Complete Divine (Dungeons & Dragons) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| d20 Future (d20 Modern) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| d20 Future (d20 Modern) (2004) | | Wizards of the Coast | | Additional Design |
| D6 Adventure (D6 System) (2004) | | West End Games | | Original Material |
| D6 Fantasy (D6 System) (2004) | | West End Games | | Original Design |
| D6 Space (D6 System) (2004) | | West End Games | | Original Design |
| Dungeons & Dragons Monster Manual III (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Monster Manual III (2004) | | Wizards of the Coast | | Additional Design |
| Eberron Campaign Setting (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Eberron Campaign Setting (2004) | | Wizards of the Coast | | Game Design |
| Eberron Campaign Setting (2004) | | Wizards of the Coast | | World and Story Development |
| Frostburn: Mastering the Perils of Ice and Snow (Dungeons & Dragons) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Geonosis and the Outer Rim Worlds (Star Wars) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Planar Handbook (Dungeons & Dragons) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Races of Stone (Dungeons & Dragons) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Shadows of the Last War (Eberron) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Shadows of the Last War (Eberron) (2004) | | Wizards of the Coast | | Additional Design, Development, and Editing |
| Sharn: City of Towers (Eberron) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Sharn: City of Towers (Eberron) (2004) | | Wizards of the Coast | | Development and Editing |
| Shining South (Forgotten Realms) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Ultimate Adversaries (Star Wars) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Unearthed Arcana (Dungeons & Dragons) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Unearthed Arcana (Dungeons & Dragons) (2004) | | Wizards of the Coast | | Additional Design |
| Whispers of the Vampire's Blade (Eberron) (2004) | | Wizards of the Coast | | Director of RPG R&D |
| Whispers of the Vampire's Blade (Eberron) (2004) | | Wizards of the Coast | | Development and Editing |
| Arms and Equipment Guide (Dungeons & Dragons) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Book of Exalted Deeds (Dungeons & Dragons) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Complete Warrior (Dungeons & Dragons) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Coruscant and the Core Worlds (Star Wars) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| d20 Menace Manual (d20 Modern) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Draconomicon (Dungeons & Dragons) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Dragonlance Campaign Setting (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Dungeon Master's Guide v.3.5 (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Miniatures Handbook (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Monster Manual v.3.5 (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Monster Manual v.3.5 (2003) | | Wizards of the Coast | | Additional Development |
| Dungeons & Dragons Player's Handbook v.3.5 (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Player's Handbook v.3.5 (2003) | | Wizards of the Coast | | Additional Development |
| Fiend Folio (Dungeons & Dragons) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Galactic Campaign Guide (Star Wars) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Ghostwalk (Dungeons & Dragons) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Masquerade (Star Wars) (2003) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Races of Faer?n (Forgotten Realms) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Savage Species (Dungeons & Dragons) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Star Wars Hero's Guide (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Ultimate Alien Anthology (Star Wars) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Unapproachable East (Forgotten Realms) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Underdark (Forgotten Realms) (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Urban Arcana Campaign Setting (2003) | | Wizards of the Coast | | Director of RPG R&D |
| Urban Arcana Campaign Setting (2003) | | Wizards of the Coast | | Original Concepts |
| Urban Arcana Campaign Setting (2003) | | Wizards of the Coast | | Development and Editing |
| Book of Vile Darkness (Dungeons & Dragons) (2002) | | Wizards of the Coast | | Vice President of RPG R&D |
| Call of Cthulhu Roleplaying Game (Call of Cthulhu d20) (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| City of the Spider Queen (Forgotten Realms) (2002) | | Wizards of the Coast | | Vice President of RPG R&D |
| d20 Modern Roleplaying Game (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| d20 Modern Roleplaying Game (2002) | | Wizards of the Coast | | Design |
| Deities and Demigods (Dungeons & Dragons) (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Dungeons & Dragons Monster Manual II (2002) | | Wizards of the Coast | | Vice President of RPG R&D |
| Epic Level Handbook (Dungeons & Dragons) (2002) | | Wizards of the Coast | | Vice President of RPG R&D |
| Faiths and Pantheons (Forgotten Realms) (2002) | | Wizards of the Coast | | Vice President of RPG R&D |
| New Jedi Order Sourcebook (Star Wars) (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Power of the Jedi Sourcebook (Star Wars) (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Prophecies of the Dragon (Wheel of Time) (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Silver Marches (Forgotten Realms) (2002) | | Wizards of the Coast | | Vice President of RPG R&D |
| Star Wars Roleplaying Game Revised Core Rulebook (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Star Wars Roleplaying Game Revised Core Rulebook (2002) | | Wizards of the Coast | | Development and Editing |
| Star Wars Roleplaying Game Revised Core Rulebook (2002) | | Wizards of the Coast | | Design |
| Tempest Feud (Star Wars) (2002) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Dark Side Sourcebook, The (Star Wars) (2001) | | Wizards of the Coast | | Design |
| Diablo II: To Hell and Back (2001) | | Wizards of the Coast | | Adaptation |
| Forgotten Realms Campaign Setting (2001) | | Wizards of the Coast | | Director of RPG R&D |
| Lords of Darkness (Forgotten Realms) (2001) | | Wizards of the Coast | | Director of RPG R&D |
| More Starships (Star Wars) (2001) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Rebellion Era Sourcebook (Star Wars) (2001) | | Wizards of the Coast | | Development and Editing |
| Rebellion Era Sourcebook (Star Wars) (2001) | | Wizards of the Coast | | Design |
| Star Wars Gamemaster Screen (2001) | | Wizards of the Coast | | Design |
| Wheel of Time Roleplaying Game (2001) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Diablo II: Diablerie (2000) | | Wizards of the Coast | | Adaptation |
| Dungeons & Dragons Dungeon Master's Guide (2000) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Monster Manual (2000) | | Wizards of the Coast | | Director of RPG R&D |
| Dungeons & Dragons Player's Handbook (2000) | | Wizards of the Coast | | Director of RPG R&D |
| Star Wars Character Record Sheets (2000) | | Wizards of the Coast | | Character Sheets |
| Star Wars Invasion of Theed Adventure Game (Star Wars Adventure Game) (2000) | | Wizards of the Coast | | Creative Director |
| Star Wars Invasion of Theed Adventure Game (Star Wars Adventure Game) (2000) | | Wizards of the Coast | | Design |
| Star Wars Roleplaying Game (2000) | | Wizards of the Coast | | Vice President and Director of RPG R&D |
| Star Wars Roleplaying Game (2000) | | Wizards of the Coast | | Development and Editing |
| Star Wars Roleplaying Game (2000) | | Wizards of the Coast | | Design |
| Crypt of the Smoke Dragon (Dungeons & Dragons (classic)) (1999) | | TSR, Inc. | | Editing and Creative Direction |
| Dark?Matter Campaign Setting (1999) | | Wizards of the Coast | | Additional Design |
| Dungeons of Despair (Advanced Dungeons & Dragons) (1999) | | TSR, Inc. | | Project Leader |
| Pokemon Jr. Adventure Game: Pokemon Emergency! (1999) | | Wizards of the Coast | | Episode Design |
| Pokemon Jr. Adventure Game: Pokemon Emergency! (1999) | | Wizards of the Coast | | Game Design |
| Threats From Beyond (Star*Drive) (1999) | | TSR, Inc. | | Design |
| Wyrmskull Throne (Forgotten Realms) (1999) | | TSR, Inc. | | Design Brainstorming |
| Alien Compendium (Star*Drive) (1998) | | TSR, Inc. | | Design |
| Alternity Gamemaster Guide (1998) | | TSR, Inc. | | Creative Director |
| Alternity Gamemaster Guide (1998) | | TSR, Inc. | | Design |
| Alternity Player's Handbook (1998) | | TSR, Inc. | | Design |
| Black Starfall (Star*Drive) (1998) | | TSR, Inc. | | Creative Director |
| Red Starrise (Star*Drive) (1998) | | TSR, Inc. | | Creative Director |
| Road to Danger (Advanced Dungeons & Dragons) (1998) | | TSR, Inc. | | Project Leader |
| Star*Drive Campaign Setting (1998) | | TSR, Inc. | | Concept and Creative Direction |
| Star Wars Trilogy Sourcebook, Special Edition (Star Wars (d6)) (1997) | | West End Games | | Original Design |
| Defilers and Preservers: The Wizards of Athas (Dark Sun) (1996) | | TSR, Inc. | | Source Material |
| Defilers and Preservers: The Wizards of Athas (Dark Sun) (1996) | | TSR, Inc. | | Editing |
| Doors to the Unknown (Planescape) (1996) | | TSR, Inc. | | Design |
| Something Wild (Planescape) (1996) | | TSR, Inc. | | Proofreading |
| Star Wars Roleplaying Game, 2nd Ed. Revised and Expanded (Star Wars (d6)) (1996) | | West End Games | | Original Design |
| Tales of the Jedi Companion (Star Wars (d6)) (1996) | | West End Games | | Original Design |
| Thrawn Trilogy Sourcebook, The (Star Wars (d6)) (1996) | | West End Games | | Design |
| A Player's Primer to the Outlands (Planescape) (1995) | | TSR, Inc. | | Proofreading and Fact Checking |
| Beyond the Prism Pentad (Dark Sun) (1995) | | TSR, Inc. | | Design |
| Dark Sun Campaign Setting, Expanded and Revised (1995) | | TSR, Inc. | | Design |
| Dark Sun Monstrous Compendium Appendix II: Terrors Beyond Tyr (1995) | | TSR, Inc. | | Design |
| Dark Sun Monstrous Compendium Appendix II: Terrors Beyond Tyr (1995) | | TSR, Inc. | | Design Review |
| Galaxy Guide 2: Yavin and Bespin, Revised Ed. (Star Wars (d6)) (1995) | | West End Games | | Editing |
| Galaxy Guide 2: Yavin and Bespin, Revised Ed. (Star Wars (d6)) (1995) | | West End Games | | Design |
| Harbinger House (Planescape) (1995) | | TSR, Inc. | | Design |
| Nightmare Lands, The (Ravenloft) (1995) | | TSR, Inc. | | Additional Design and Editing |
| Paranoia, 5th Ed. (1995) | | West End Games | | Original Design |
| Player's Option: Skills & Powers (Advanced Dungeons & Dragons) (1995) | | TSR, Inc. | | Additional Design |
| City by the Silt Sea (Dark Sun) (1994) | | TSR, Inc. | | Editor and Additional Design |
| Classic Campaigns (Star Wars (d6)) (1994) | | West End Games | | Development and Editing |
| Council of Wyrms (Advanced Dungeons & Dragons) (1994) | | TSR, Inc. | | Design |
| Galaxy Guide 4: Alien Races, Revised Ed. (Star Wars (d6)) (1994) | | West End Games | | Editing |
| Imperial Sourcebook, 2nd Ed. (Star Wars (d6)) (1994) | | West End Games | | Development and Editing |
| Imperial Sourcebook, 2nd Ed. (Star Wars (d6)) (1994) | | West End Games | | Additional Material |
| Night of the Vampire (Mystara) (1994) | | TSR, Inc. | | Design Review |
| ParaNormal/CTV (Paranoia) (1994) | | West End Games | | Comic Writer |
| Planes of Chaos (Planescape) (1994) | | TSR, Inc. | | Proofreading |
| Planescape Campaign Setting (1994) | | TSR, Inc. | | Proofreading |
| Will and the Way, The (Dark Sun) (1994) | | TSR, Inc. | | Copy Editing |
| Complete Book of Humanoids, The (Advanced Dungeons & Dragons) (1993) | | TSR, Inc. | | Design |
| Dragon's Crown (Dark Sun) (1993) | | TSR, Inc. | | Editing |
| Elves of Athas (Dark Sun) (1993) | | TSR, Inc. | | Design |
| Ivory Triangle, The (Dark Sun) (1993) | | TSR, Inc. | | Editing |
| Star Wars: The Movie Trilogy Sourcebook (Star Wars (d6)) (1993) | | West End Games | | Additional Design |
| Arcane Shadows (Dark Sun) (1992) | | TSR, Inc. | | Design |
| Character Collection, The (Torg) (1992) | | West End Games | | Design |
| Golden Voyages (Al-Qadim) (1992) | | TSR, Inc. | | Editing |
| Night of the Walking Dead (Ravenloft) (1992) | | TSR, Inc. | | Design |
| Slave Tribes (Dark Sun) (1992) | | TSR, Inc. | | Design |
| Star Wars Roleplaying Game, 2nd Ed. (Star Wars (d6)) (1992) | | West End Games | | Original Design |
| Star Wars Roleplaying Game, 2nd Ed. (Star Wars (d6)) (1992) | | West End Games | | Additional Design |
| Aysle (Torg) (1990) | | West End Games | | Design |
| Aysle (Torg) (1990) | | West End Games | | Development and Editing |
| Living Land, The (Torg) (1990) | | West End Games | | Development and Editing |
| Nile Empire, The (Torg) (1990) | | West End Games | | Editing |
| Possibility Chalice, The (Torg) (1990) | | West End Games | | Editing |
| Torg (1990) | | West End Games | | Design |
| Torg (1990) | | West End Games | | Development and Editing |
| Imperial Sourcebook (Star Wars (d6)) (1989) | | West End Games | | Development and Editing |
| Imperial Sourcebook (Star Wars (d6)) (1989) | | West End Games | | Contributing Author |
| Tales of the Outer Planes (Advanced Dungeons & Dragons) (1988) | | TSR, Inc. | | Author |
| Star Wars: The Roleplaying Game (Star Wars (d6)) (1987) | | West End Games | | Editing |
| HIL Sector Blues (Paranoia) (1986) | | West End Games | | Development and Contributing Design |
| Orcbusters (Paranoia) (1986) | | West End Games | | Editing |
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| Magazine Credits: |
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| Magazine | | Credit |
| Dragon #256 (Feb 1999) | | Editor-in-Chief |
| Dragon #255 (Jan 1999) | | Editor-in-Chief |
| Dragon #254 (Dec 1998) | | Editor-in-Chief |
| Dragon #252 (Oct 1998) | | Editor-in-Chief |
| Dragon #251 (Sep 1998) | | Editor-in-Chief |
| Dragon Annual #3 (1998) | | Editor-in-Chief |
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| Magazine Article Credits: |
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| Article | | Credit |
| "Campaign Classics: Mindscapes of Athas and Beyond" in Dragon Annual #2 (1997) | | Author |
| "Cloud Cover" in Star Wars Gamer #3 (Apr/May 2001) | | Author |
| "Critical Threats: Lord of Blades" in Dungeon #111 (Jun 2004) | | Author |
| "Dragon Sage, The" in Dragon #207 (Jul 1994) | | Author |
| "Dragon Slayers" in Dragon #205 (May 1994) | | Author |
| "Galaxy's Most Wanted: Luke Skywalker, Jedi Master" in Star Wars Gamer #8 (Feb/Mar 2002) | | Author |
| "Game Wizards: A New Age Dawns for the Dark Sun Campaign" in Dragon #220 (Aug 1995) | | Author |
| "Nova Crystal, The" in Game Trade Magazine #10 (Dec 2000) | | Author |
| "Omega Variant, The" in Dragon #246 (Apr 1998) | | Author |
| "Planar Personalities" in Dragon #213 (Jan 1995) | | Author |
| "Shadow Chasers" in Polyhedron #150 (Mar/Apr 2002) | | Design |
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| Short Story Credits: |
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| Story | | Credit |
| "Darkness Shared" (Star Wars) in Star Wars Gamer #5 | | Author |
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