diff --git a/examples/bundled_executor_runner/bundled_executor_runner.cpp b/examples/bundled_executor_runner/bundled_executor_runner.cpp
index 044d919dad6..c1c85faaf50 100644
--- a/examples/bundled_executor_runner/bundled_executor_runner.cpp
+++ b/examples/bundled_executor_runner/bundled_executor_runner.cpp
@@ -76,9 +76,9 @@ int main(int argc, char** argv) {
   // DataLoaders that use mmap() or point to data that's already in memory, and
   // users can create their own DataLoaders to load from arbitrary sources.
   const char* model_path = FLAGS_model_path.c_str();
-  Result<FileDataLoader> loader = FileDataLoader::From(model_path);
+  Result<FileDataLoader> loader = FileDataLoader::from(model_path);
   ET_CHECK_MSG(
-      loader.ok(), "FileDataLoader::From() failed: 0x%" PRIx32, loader.error());
+      loader.ok(), "FileDataLoader::from() failed: 0x%" PRIx32, loader.error());
 
   // Read in the entire file.
   Result<FreeableBuffer> file_data = loader->Load(0, loader->size().get());
diff --git a/examples/executor_runner/executor_runner.cpp b/examples/executor_runner/executor_runner.cpp
index a40ec498388..4829c5f45e3 100644
--- a/examples/executor_runner/executor_runner.cpp
+++ b/examples/executor_runner/executor_runner.cpp
@@ -61,9 +61,9 @@ int main(int argc, char** argv) {
   // DataLoaders that use mmap() or point to data that's already in memory, and
   // users can create their own DataLoaders to load from arbitrary sources.
   const char* model_path = FLAGS_model_path.c_str();
-  Result<FileDataLoader> loader = FileDataLoader::From(model_path);
+  Result<FileDataLoader> loader = FileDataLoader::from(model_path);
   ET_CHECK_MSG(
-      loader.ok(), "FileDataLoader::From() failed: 0x%" PRIx32, loader.error());
+      loader.ok(), "FileDataLoader::from() failed: 0x%" PRIx32, loader.error());
 
   // Parse the program file. This is immutable, and can also be reused between
   // multiple execution invocations across multiple threads.
diff --git a/runtime/executor/test/allocation_failure_stress_test.cpp b/runtime/executor/test/allocation_failure_stress_test.cpp
index 0f583548d80..fa039971763 100644
--- a/runtime/executor/test/allocation_failure_stress_test.cpp
+++ b/runtime/executor/test/allocation_failure_stress_test.cpp
@@ -41,7 +41,7 @@ class AllocationFailureStressTest : public ::testing::Test {
   void SetUp() override {
     // Create a loader for the serialized ModuleAdd program.
     const char* path = std::getenv("ET_MODULE_ADD_PATH");
-    Result<FileDataLoader> loader = FileDataLoader::From(path);
+    Result<FileDataLoader> loader = FileDataLoader::from(path);
     ASSERT_EQ(loader.error(), Error::Ok);
     loader_ = std::make_unique<FileDataLoader>(std::move(loader.get()));
 
diff --git a/runtime/executor/test/backend_integration_test.cpp b/runtime/executor/test/backend_integration_test.cpp
index 965047f8ef2..55e0c622ed6 100644
--- a/runtime/executor/test/backend_integration_test.cpp
+++ b/runtime/executor/test/backend_integration_test.cpp
@@ -292,7 +292,7 @@ TEST_P(BackendIntegrationTest, BackendIsPresent) {
 
 // Demonstrate that installed StubBackend initializes successfully by default.
 TEST_P(BackendIntegrationTest, BasicInitSucceeds) {
-  Result<FileDataLoader> loader = FileDataLoader::From(program_path());
+  Result<FileDataLoader> loader = FileDataLoader::from(program_path());
   ASSERT_EQ(loader.error(), Error::Ok);
 
   Result<Program> program = Program::Load(&loader.get());
@@ -321,7 +321,7 @@ TEST_P(BackendIntegrationTest, FreeingProcessedBufferSucceeds) {
 
   // Wrap the real loader in a spy so we can see which operations were
   // performed.
-  Result<FileDataLoader> loader = FileDataLoader::From(program_path());
+  Result<FileDataLoader> loader = FileDataLoader::from(program_path());
   ASSERT_EQ(loader.error(), Error::Ok);
   DataLoaderSpy spy_loader(&loader.get());
 
@@ -385,7 +385,7 @@ TEST_P(BackendIntegrationTest, EndToEndTestWithProcessedAsHandle) {
 
   // Wrap the real loader in a spy so we can see which operations were
   // performed.
-  Result<FileDataLoader> loader = FileDataLoader::From(program_path());
+  Result<FileDataLoader> loader = FileDataLoader::from(program_path());
   ASSERT_EQ(loader.error(), Error::Ok);
   DataLoaderSpy spy_loader(&loader.get());
 
@@ -530,7 +530,7 @@ TEST_P(DelegateDataAlignmentTest, ExpectedDataAlignment) {
 
   // Create a loader that can satisfy the alignment required by this program.
   Result<FileDataLoader> loader =
-      FileDataLoader::From(program_path(), /*alignment=*/expected_alignment());
+      FileDataLoader::from(program_path(), /*alignment=*/expected_alignment());
   ASSERT_EQ(loader.error(), Error::Ok);
 
   // Wrap the real loader in a spy so we can see which operations were
diff --git a/runtime/executor/test/execution_plan_test.cpp b/runtime/executor/test/execution_plan_test.cpp
index bbcb29f8ad3..ecef4498f7c 100644
--- a/runtime/executor/test/execution_plan_test.cpp
+++ b/runtime/executor/test/execution_plan_test.cpp
@@ -37,7 +37,7 @@ class ExecutionPlanTest : public ::testing::Test {
   void SetUp() override {
     // Create a loader for the serialized ModuleAdd program.
     const char* path = std::getenv("ET_MODULE_ADD_PATH");
-    Result<FileDataLoader> loader = FileDataLoader::From(path);
+    Result<FileDataLoader> loader = FileDataLoader::from(path);
     ASSERT_EQ(loader.error(), Error::Ok);
     loader_ = std::make_unique<FileDataLoader>(std::move(loader.get()));
 
diff --git a/runtime/executor/test/kernel_integration_test.cpp b/runtime/executor/test/kernel_integration_test.cpp
index 7e6351dd994..5742df2f954 100644
--- a/runtime/executor/test/kernel_integration_test.cpp
+++ b/runtime/executor/test/kernel_integration_test.cpp
@@ -138,7 +138,7 @@ class KernelIntegrationTest : public ::testing::Test {
 
     // Create a loader for the serialized ModuleAdd program.
     const char* path = std::getenv("ET_MODULE_ADD_PATH");
-    Result<FileDataLoader> loader = FileDataLoader::From(path);
+    Result<FileDataLoader> loader = FileDataLoader::from(path);
     ASSERT_EQ(loader.error(), Error::Ok);
     loader_ = std::make_unique<FileDataLoader>(std::move(loader.get()));
 
diff --git a/runtime/executor/test/kernel_resolution_test.cpp b/runtime/executor/test/kernel_resolution_test.cpp
index cb82fcd60da..b7e004c06ab 100644
--- a/runtime/executor/test/kernel_resolution_test.cpp
+++ b/runtime/executor/test/kernel_resolution_test.cpp
@@ -52,7 +52,7 @@ class KernelResolutionTest : public ::testing::Test {
 
     // Create a loader for the serialized ModuleAdd program.
     const char* path = std::getenv("ET_MODULE_ADD_PATH");
-    Result<FileDataLoader> loader = FileDataLoader::From(path);
+    Result<FileDataLoader> loader = FileDataLoader::from(path);
     ASSERT_EQ(loader.error(), Error::Ok);
     loader_ = std::make_unique<FileDataLoader>(std::move(loader.get()));
 
diff --git a/runtime/executor/test/method_meta_test.cpp b/runtime/executor/test/method_meta_test.cpp
index ffca2616125..f7c8b0e94ea 100644
--- a/runtime/executor/test/method_meta_test.cpp
+++ b/runtime/executor/test/method_meta_test.cpp
@@ -29,7 +29,7 @@ class MethodMetaTest : public ::testing::Test {
   void SetUp() override {
     // Create a loader for the serialized ModuleAdd program.
     const char* path = std::getenv("ET_MODULE_ADD_PATH");
-    Result<FileDataLoader> loader = FileDataLoader::From(path);
+    Result<FileDataLoader> loader = FileDataLoader::from(path);
     ASSERT_EQ(loader.error(), Error::Ok);
     loader_ = std::make_unique<FileDataLoader>(std::move(loader.get()));
 
diff --git a/runtime/executor/test/method_test.cpp b/runtime/executor/test/method_test.cpp
index 8abe43632f4..4173d55a2d8 100644
--- a/runtime/executor/test/method_test.cpp
+++ b/runtime/executor/test/method_test.cpp
@@ -35,7 +35,7 @@ class MethodTest : public ::testing::Test {
  protected:
   void load_program(const char* path, const char* module_name) {
     // Create a loader for the serialized program.
-    Result<FileDataLoader> loader = FileDataLoader::From(path);
+    Result<FileDataLoader> loader = FileDataLoader::from(path);
     ASSERT_EQ(loader.error(), Error::Ok);
     loaders_.insert(
         {module_name,
diff --git a/runtime/executor/test/program_test.cpp b/runtime/executor/test/program_test.cpp
index e3f9eaaeef1..a8cdf9f466a 100644
--- a/runtime/executor/test/program_test.cpp
+++ b/runtime/executor/test/program_test.cpp
@@ -44,7 +44,7 @@ class ProgramTest : public ::testing::Test {
 
     // Load the serialized ModuleAdd data.
     const char* path = std::getenv("ET_MODULE_ADD_PATH");
-    Result<FileDataLoader> loader = FileDataLoader::From(path);
+    Result<FileDataLoader> loader = FileDataLoader::from(path);
     ASSERT_EQ(loader.error(), Error::Ok);
 
     // This file should always be compatible.
@@ -59,7 +59,7 @@ class ProgramTest : public ::testing::Test {
 
     // Load the serialized ModuleAdd data.
     path = std::getenv("ET_MODULE_MULTI_ENTRY_PATH");
-    Result<FileDataLoader> multi_loader = FileDataLoader::From(path);
+    Result<FileDataLoader> multi_loader = FileDataLoader::from(path);
     ASSERT_EQ(multi_loader.error(), Error::Ok);
 
     // This file should always be compatible.
diff --git a/sdk/runners/executor_runner.cpp b/sdk/runners/executor_runner.cpp
index 6b4128a625b..f6e7e990576 100644
--- a/sdk/runners/executor_runner.cpp
+++ b/sdk/runners/executor_runner.cpp
@@ -105,7 +105,7 @@ class ProgramData {
     // Create a DataLoader that wraps the input file. It may be a plain Program,
     // or it may be a BundledProgram that contains a Program.
     Result<util::FileDataLoader> loader =
-        util::FileDataLoader::From(filename.c_str());
+        util::FileDataLoader::from(filename.c_str());
     ET_CHECK_MSG(
         loader.ok(),
         "Could not create loader for file '%s': 0x%x",
diff --git a/test/size_test.cpp b/test/size_test.cpp
index ee4b9108b9a..3d5b3ee695a 100644
--- a/test/size_test.cpp
+++ b/test/size_test.cpp
@@ -52,9 +52,9 @@ int main(int argc, char** argv) {
       &runtime_allocator,
       &temp_allocator)};
 
-  Result<FileDataLoader> loader = FileDataLoader::From(argv[1]);
+  Result<FileDataLoader> loader = FileDataLoader::from(argv[1]);
   ET_CHECK_MSG(
-      loader.ok(), "FileDataLoader::From() failed: 0x%" PRIx32, loader.error());
+      loader.ok(), "FileDataLoader::from() failed: 0x%" PRIx32, loader.error());
 
   uint32_t prof_tok = EXECUTORCH_BEGIN_PROF("de-serialize model");
   const auto program = Program::Load(&loader.get());