diff --git a/src/expert-initiated/dtos/login.dto.ts b/src/expert-initiated/dtos/login.dto.ts
new file mode 100644
index 0000000..68b650b
--- /dev/null
+++ b/src/expert-initiated/dtos/login.dto.ts
@@ -0,0 +1,32 @@
+import { ApiProperty } from "@nestjs/swagger";
+import { IsEmail, IsNotEmpty, IsString } from "class-validator";
+
+export class FieldExpertLoginDto {
+  @ApiProperty()
+  @IsEmail({ allow_underscores: true })
+  @IsString({
+    message: "email is not string",
+    context: {
+      errorCode: 4000,
+      note: "The validated email type must be string",
+    },
+  })
+  readonly email: string;
+
+  @ApiProperty()
+  @IsNotEmpty({
+    message: "password is empty",
+    context: {
+      errorCode: 4001,
+      note: "The validated password must not be empty",
+    },
+  })
+  @IsString({
+    message: "password is not string",
+    context: {
+      errorCode: 4002,
+      note: "The validated password type must be string",
+    },
+  })
+  readonly password: string;
+}
diff --git a/src/expert-initiated/expert-initiated.controller.ts b/src/expert-initiated/expert-initiated.controller.ts
new file mode 100644
index 0000000..8f2a1e8
--- /dev/null
+++ b/src/expert-initiated/expert-initiated.controller.ts
@@ -0,0 +1,16 @@
+import { Body, Controller, Post } from "@nestjs/common";
+import { ApiBearerAuth, ApiTags } from "@nestjs/swagger";
+import { FieldExpertLoginDto } from "./dtos/login.dto";
+import { FieldExpertService } from "./expert-initiated.service";
+
+@Controller("expert-initiated")
+@ApiTags("Expert Initiated Flow (Field Expert)")
+@ApiBearerAuth()
+export class FieldExpertController {
+  constructor(private readonly fieldExpertService: FieldExpertService) {}
+
+  @Post("login")
+  async login(@Body() fieldExpertLoginDto: FieldExpertLoginDto) {
+    return await this.fieldExpertService.login(fieldExpertLoginDto);
+  }
+}
diff --git a/src/expert-initiated/expert-initiated.module.ts b/src/expert-initiated/expert-initiated.module.ts
new file mode 100644
index 0000000..2050ef1
--- /dev/null
+++ b/src/expert-initiated/expert-initiated.module.ts
@@ -0,0 +1,25 @@
+import { Module } from "@nestjs/common";
+import { MongooseModule } from "@nestjs/mongoose";
+import { FieldExpert, FieldExpertSchema } from "./schemas/field-expert.schema";
+import { FieldExpertController } from "./expert-initiated.controller";
+import { FieldExpertService } from "./expert-initiated.service";
+import { FieldExpertRepository } from "./repositories/field-expert.repository";
+import { AuthModule } from "src/auth/auth.module";
+import { JwtModule } from "@nestjs/jwt";
+
+@Module({
+  imports: [
+    MongooseModule.forFeature([
+      {
+        name: FieldExpert.name,
+        schema: FieldExpertSchema,
+      },
+    ]),
+    AuthModule,
+    JwtModule,
+  ],
+  controllers: [FieldExpertController],
+  providers: [FieldExpertRepository, FieldExpertService],
+  exports: [],
+})
+export class ExpertInitiatedModule {}
diff --git a/src/expert-initiated/expert-initiated.service.ts b/src/expert-initiated/expert-initiated.service.ts
new file mode 100644
index 0000000..2a88ce7
--- /dev/null
+++ b/src/expert-initiated/expert-initiated.service.ts
@@ -0,0 +1,32 @@
+import {
+  BadRequestException,
+  Injectable,
+  NotFoundException,
+} from "@nestjs/common";
+import { FieldExpertRepository } from "./repositories/field-expert.repository";
+import { FieldExpertLoginDto } from "./dtos/login.dto";
+import { UserAuthService } from "src/auth/auth-services/user.auth.service";
+
+@Injectable()
+export class FieldExpertService {
+  constructor(
+    private readonly fieldExpertRepository: FieldExpertRepository,
+    private readonly authService: UserAuthService,
+  ) {}
+
+  async login(fieldExpertLoginDto: FieldExpertLoginDto) {
+    const user = await this.fieldExpertRepository.retrieveByEmail(
+      fieldExpertLoginDto.email,
+    );
+
+    if (!user) throw new NotFoundException("User not found");
+
+    const validate = await this.authService.validateUser(
+      user.email,
+      user.password,
+    );
+
+    if (!validate)
+      throw new BadRequestException("Username/Password does not match");
+  }
+}
diff --git a/src/expert-initiated/repositories/field-expert.repository.ts b/src/expert-initiated/repositories/field-expert.repository.ts
new file mode 100644
index 0000000..2e4784d
--- /dev/null
+++ b/src/expert-initiated/repositories/field-expert.repository.ts
@@ -0,0 +1,22 @@
+import { Injectable } from "@nestjs/common";
+import { InjectModel } from "@nestjs/mongoose";
+import { Model } from "mongoose";
+import { FieldExpert } from "../schemas/field-expert.schema";
+
+@Injectable()
+export class FieldExpertRepository {
+  constructor(
+    @InjectModel(FieldExpert.name)
+    private readonly fieldExpertModel: Model<FieldExpert>,
+  ) {}
+
+  async retrieveById(id: string): Promise<FieldExpert> {
+    return await this.fieldExpertModel.findById(id).exec();
+  }
+
+  async retrieveByEmail(email: string): Promise<FieldExpert> {
+    return await this.fieldExpertModel.findOne({
+      email,
+    });
+  }
+}
diff --git a/src/expert-initiated/schemas/field-expert.schema.ts b/src/expert-initiated/schemas/field-expert.schema.ts
new file mode 100644
index 0000000..cde1c7d
--- /dev/null
+++ b/src/expert-initiated/schemas/field-expert.schema.ts
@@ -0,0 +1,27 @@
+import { Prop, Schema, SchemaFactory } from "@nestjs/mongoose";
+import { HydratedDocument, Types } from "mongoose";
+
+export type FieldExpertDocument = HydratedDocument<FieldExpert>;
+
+@Schema({
+  id: true,
+  timestamps: true,
+})
+export class FieldExpert {
+  @Prop({ unique: true })
+  email: string;
+
+  @Prop({ required: true })
+  password: string;
+
+  @Prop({ required: true })
+  firstName: string;
+
+  @Prop({ required: true })
+  lastName: string;
+
+  @Prop({ required: true })
+  cellphone: string;
+}
+
+export const FieldExpertSchema = SchemaFactory.createForClass(FieldExpert);