Dan Simmons | Hyperion Cantos

Cixin Liu | Three Body Problem

Hannu Rajaniemi | The Quantum Thief (Book 1) + the entire Jean le Flambeur Trilogy

Frank Herbert | Dune Series, especially Dune and Children of Dune

Neal Stephenson | the Diamond Age, Snow Crash, Cryptonomicon

William Gibson | the entire Sprawl Trilogy, starting with Neuromancer

Adrian Tchaikovsky | Children of Time, Children of Ruin

James S.A. Corey | The Expanse Series

China Miéville | Perdido Street Station + the New Crobuzon Series

Iain M. Banks | The Culture Series

Yoon Ha Lee | Ninefox Gambit + Machineries of Empire Series

Isaac Asimov | I, Robot and The Foundation Series

Greg Egan | Eon Series, Permutation City, Diaspora 

Orson Scott Card | Ender’s Game

Poul Anderson | Tau Zero

Karl Schroeder | Lady of Mazes

Peter Watts | Blindsight (Book 1) + the entire Firefall Series

Alastair Reynolds | Revelation Space Series

Martha Wells | Murderbot Diaries

Richard K Morgan | Altered Carbon series, aka the Takeshi Kovacs Novels

John Brunner | Shockwave Rider, Stand on Zanzibar

NK Jemisin | Entire Stone Sky / Broken Earth Trilogy

James Halperin | The Truth Machine 

Ann Leckie | Ancillary Justice, the Imperial Ranch Series

Robert Jordan & Brandon Sanderson | The Wheel of Time Series (Books 1,2,3 then 9 - 12)

Stanislaw Lem | His Master's Voice

Mary Robinette Kowal | The Calculating Stars

Ramez Naam | Nexus Series

Robert A Heinlein | The Moon is a Harsh Mistress

Arkady Martine | A Memory Called Empire

Lois McMaster Bujol | Vorkosigan Saga

Pierce Brown | Red Rising Series

Nnedi Okorafor | Lagoon 

Paolo Bacigalupi | The Windup Girl

Chang-Rae Lee | On Such a Full Sea

Patrick Rothfuss | The Name of the Wind / The Kingkiller Chronicles (book 3 soon plz)

Mary Doria Russel | The Sparrow + Sparrow Series

Linda Negate | The Last Good Man

Saladin Ahmed | Throne of the Crescent Moon

John Scalzi | Redshirts: A Novel with Three Codas

Katherine Addison | The Goblin Emperor

Charles Stross | Neptune's Brood, Accelerando + the Singularity Series

Annalee Newitz  | Autonomous

M.R. Carey | The Girl with All the Gifts

Dennis Taylor | Bobiverse Series

Yevgeny Zamyatin | We

Catherynne M. Valente | Palimpsest

Bernard Werber | Empire of the Ants

Blake Crouch | Dark Matter

Olaf Stapledon | Last and First Men

Olivia E Butler | Seed to Harvest, The Patternist Series

John C Wright | Awake in the Night Land

John Wyndham | The Chrysalids

Peter F Hamilton | Salvation + the Salvation Sequence Series

Connie Willis | Black Out + the All Clear Series

Jeff VanderMeer | Annihilation + the entire Southern Reach Trilogy

Tal M Klein | The Punch Escrow

Ted Kosmatka | The Flicker Men

Michael Chabon | The Yiddish Policemen’s Union

Andy Weir | Artemis

Robert Charles Wilson | Spin, The Chronoliths

Neil Asher | The Owner Trilogy

Naomi Novik | His Majesty’s Dragon

Jason N Hough | Zero World

Paco Ahlgren | Discipline

Larry Niven | Ringworld Series

Malka Older | Infomocracy + the Centennial Cycle

Adam Roberts | The Thing Itself

Hugh Howey | Wool / Shift / Dust

Daniel Suarez | Daemon, Freedom

Bruce Sterling | Schismatrix